Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp6132844yba; Wed, 1 May 2019 06:40:15 -0700 (PDT) X-Google-Smtp-Source: APXvYqwKcmJRrH6L6gQkbgNPkidAUhfH3zoWEG214xqi1OflyOS6R3IFepvBAWFOw7H+8qhEr1JQ X-Received: by 2002:a17:902:d83:: with SMTP id 3mr79917539plv.125.1556718015350; Wed, 01 May 2019 06:40:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1556718015; cv=none; d=google.com; s=arc-20160816; b=dIRk/IW+GfYgTVUp7DPMCbqhwxjYtRvgG17Yu8aOGlGsbwZ/10hk63mms1dww9mqGG LVjtQshz9/oMhp0oxAATYC3hctb/9QjrvloiTj89pGI5KIs5kqf+3QyRvimUs8p8qzM0 JS4MdzIQStwdYW4TJAcLNwIeT+VLKuYUkUHsXAlD3oder21yvKNJ2UiOlvW9Uc3H8cGv FwsSm8u6IzJd1JqeHe1Co/bRyEMOuRphEfK0ynoL/llZKN3yaJN4Y3YlmwGNKQr66Od4 K5XVyGc5lOeq+nawHvC4wta9IEc7i882IZjKDB0b0GAUdVv/8wxZezqUaSECRbbq6OHk y36Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=wt/Nsv8bUILR2EgQ7t0MaslQX9uyTdgovnrbdwKitfs=; b=LozhPZmsTWrmvma5oNKVs4pmuQClvfB8UoQg0ZeyT4pRchOrjqKlKFGlowl4rVZfxP RTvn6b6YTv42oHJTP2a4rPBhKL6VgVI53maLLPKyB1DdPzm6sdIkMrTioeAc5oFqeghD sKVH9RYemei4c5OLm/brZxgZUqhjWr6jhDQUhaZ0weTpY474sKPtkO8zLg9kgIuV7nm8 9tshR8TYefRxmMptuUzeAC3iagYPdXhl5fCb/wgblLSvDlGna33t0ZeLkANGo1ld+7o7 +MRNEMoiLs1B2Y5wFOagdWSfAY4ne+ayeO/7SINF3W1R/XGxg6JOlREybxThuZsSm4au I/7w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g70si26328943pgc.87.2019.05.01.06.39.59; Wed, 01 May 2019 06:40:15 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726491AbfEANiy (ORCPT + 99 others); Wed, 1 May 2019 09:38:54 -0400 Received: from www262.sakura.ne.jp ([202.181.97.72]:50246 "EHLO www262.sakura.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726010AbfEANix (ORCPT ); Wed, 1 May 2019 09:38:53 -0400 Received: from fsav105.sakura.ne.jp (fsav105.sakura.ne.jp [27.133.134.232]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id x41Dc8sd054344; Wed, 1 May 2019 22:38:08 +0900 (JST) (envelope-from penguin-kernel@i-love.sakura.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav105.sakura.ne.jp (F-Secure/fsigk_smtp/530/fsav105.sakura.ne.jp); Wed, 01 May 2019 22:38:08 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/530/fsav105.sakura.ne.jp) Received: from [192.168.1.8] (softbank126012062002.bbtec.net [126.12.62.2]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id x41Dc3fD054316 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NO); Wed, 1 May 2019 22:38:07 +0900 (JST) (envelope-from penguin-kernel@i-love.sakura.ne.jp) Subject: Re: unregister_netdevice: waiting for DEV to become free (2) To: David Ahern , Eric Dumazet , "David S. Miller" Cc: Julian Anastasov , Cong Wang , syzbot , ddstreet@ieee.org, dvyukov@google.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <0000000000007d22100573d66078@google.com> <4684eef5-ea50-2965-86a0-492b8b1e4f52@I-love.SAKURA.ne.jp> <9d430543-33c3-0d9b-dc77-3a179a8e3919@I-love.SAKURA.ne.jp> <920ebaf1-ee87-0dbb-6805-660c1cbce3d0@I-love.SAKURA.ne.jp> <15b353e9-49a2-f08b-dc45-2e9bad3abfe2@i-love.sakura.ne.jp> <057735f0-4475-7a7b-815f-034b1095fa6c@gmail.com> <6e57bc11-1603-0898-dfd4-0f091901b422@i-love.sakura.ne.jp> From: Tetsuo Handa Message-ID: <117fcc49-d389-c389-918f-86ccaef82e51@i-love.sakura.ne.jp> Date: Wed, 1 May 2019 22:38:01 +0900 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019/04/30 3:43, David Ahern wrote: >> The attached patch adds a tracepoint to notifier_call_chain. If you have >> KALLSYMS enabled it will show the order of the function handlers: >> >> perf record -e notifier:* -a -g & >> >> ip netns del >> >> >> fg >> >> >> perf script >> > > with the header file this time. > What is the intent of your patch? I can see that many notifiers are called. But how does this help identify which event is responsible for dropping the refcount? a.out 6898 [003] 54.809503: notifier:notifier_call_chain: val 17 fcn ffffffff822de9b0 name ip_vs_dst_event a.out 6898 [003] 54.809512: notifier:notifier_call_chain: val 17 fcn ffffffff821a1060 name rtnetlink_event a.out 6898 [003] 54.809516: notifier:notifier_call_chain: val 17 fcn ffffffff812c8830 name dev_map_notification a.out 6898 [003] 54.809520: notifier:notifier_call_chain: val 17 fcn ffffffff81f89a00 name netdevice_event a.out 6898 [003] 54.809523: notifier:notifier_call_chain: val 17 fcn ffffffff821b8c70 name fib_rules_event a.out 6898 [003] 54.809525: notifier:notifier_call_chain: val 17 fcn ffffffff821c11e0 name netprio_device_event a.out 6898 [003] 54.809530: notifier:notifier_call_chain: val 17 fcn ffffffff826012b0 name wext_netdev_notifier_call a.out 6898 [003] 54.809533: notifier:notifier_call_chain: val 17 fcn ffffffff8261b980 name netdev_notify a.out 6898 [003] 54.809536: notifier:notifier_call_chain: val 17 fcn ffffffff826a4e10 name netlbl_unlhsh_netdev_handler a.out 6898 [003] 54.809538: notifier:notifier_call_chain: val 17 fcn ffffffff826d5900 name cfg802154_netdev_notifier_call a.out 6898 [003] 54.809542: notifier:notifier_call_chain: val 17 fcn ffffffff826e1fa0 name netdev_notify a.out 6898 [003] 54.809546: notifier:notifier_call_chain: val 17 fcn ffffffff82331910 name arp_netdev_event a.out 6898 [003] 54.809548: notifier:notifier_call_chain: val 17 fcn ffffffff823389c0 name inetdev_event a.out 6898 [003] 54.809551: notifier:notifier_call_chain: val 17 fcn ffffffff82343370 name fib_netdev_event a.out 6898 [003] 54.809555: notifier:notifier_call_chain: val 17 fcn ffffffff82399140 name xfrm_dev_event a.out 6898 [003] 54.809557: notifier:notifier_call_chain: val 17 fcn ffffffff8233dec0 name igmp_netdev_event a.out 6898 [003] 54.809560: notifier:notifier_call_chain: val 17 fcn ffffffff82353c00 name ipmr_device_event a.out 6898 [003] 54.809564: notifier:notifier_call_chain: val 17 fcn ffffffff825a9440 name cfg80211_netdev_notifier_call a.out 6898 [003] 54.809569: notifier:notifier_call_chain: val 17 fcn ffffffff8168a060 name sel_netif_netdev_notifier_handler a.out 6898 [003] 54.809573: notifier:notifier_call_chain: val 17 fcn ffffffff81baec70 name bond_netdev_event a.out 6898 [003] 54.809576: notifier:notifier_call_chain: val 17 fcn ffffffff81bbb230 name ipvlan_device_event a.out 6898 [003] 54.809579: notifier:notifier_call_chain: val 17 fcn ffffffff81bbc890 name ipvtap_device_event a.out 6898 [003] 54.809581: notifier:notifier_call_chain: val 17 fcn ffffffff81bbe550 name macsec_notify a.out 6898 [003] 54.809583: notifier:notifier_call_chain: val 17 fcn ffffffff81bc4240 name macvlan_device_event a.out 6898 [003] 54.809585: notifier:notifier_call_chain: val 17 fcn ffffffff81bc56a0 name macvtap_device_event a.out 6898 [003] 54.809589: notifier:notifier_call_chain: val 17 fcn ffffffff81bd3370 name team_device_event a.out 6898 [003] 54.809591: notifier:notifier_call_chain: val 17 fcn ffffffff81bdb890 name tun_device_event a.out 6898 [003] 54.809593: notifier:notifier_call_chain: val 17 fcn ffffffff81bf5bf0 name vrf_device_event a.out 6898 [003] 54.809596: notifier:notifier_call_chain: val 17 fcn ffffffff81c8cb80 name bpq_device_event a.out 6898 [003] 54.809599: notifier:notifier_call_chain: val 17 fcn ffffffff81c96e40 name pppoe_device_event a.out 6898 [003] 54.809601: notifier:notifier_call_chain: val 17 fcn ffffffff81c9b380 name hdlc_device_event a.out 6898 [003] 54.809603: notifier:notifier_call_chain: val 17 fcn ffffffff81ca06a0 name dlci_dev_event a.out 6898 [003] 54.809605: notifier:notifier_call_chain: val 17 fcn ffffffff81ca12c0 name lapbeth_device_event a.out 6898 [003] 54.809608: notifier:notifier_call_chain: val 17 fcn ffffffff81fa90f0 name cma_netdev_callback a.out 6898 [003] 54.809611: notifier:notifier_call_chain: val 17 fcn ffffffff81fee6a0 name ipoib_netdev_event a.out 6898 [003] 54.809613: notifier:notifier_call_chain: val 17 fcn ffffffff821c0e20 name dropmon_net_event a.out 6898 [003] 54.809615: notifier:notifier_call_chain: val 17 fcn ffffffff821c5d80 name failover_event a.out 6898 [003] 54.809618: notifier:notifier_call_chain: val 17 fcn ffffffff821e3a60 name mirred_device_event a.out 6898 [003] 54.809620: notifier:notifier_call_chain: val 17 fcn ffffffff8223a930 name nfqnl_rcv_dev_event a.out 6898 [003] 54.809623: notifier:notifier_call_chain: val 17 fcn ffffffff82273bd0 name nf_tables_netdev_event a.out 6898 [003] 54.809625: notifier:notifier_call_chain: val 17 fcn ffffffff822667c0 name nf_tables_flowtable_event a.out 6898 [003] 54.809628: notifier:notifier_call_chain: val 17 fcn ffffffff8227ef40 name flow_offload_netdev_event a.out 6898 [003] 54.809630: notifier:notifier_call_chain: val 17 fcn ffffffff82260e40 name masq_device_event a.out 6898 [003] 54.809632: notifier:notifier_call_chain: val 17 fcn ffffffff82290560 name tee_netdev_event a.out 6898 [003] 54.809635: notifier:notifier_call_chain: val 17 fcn ffffffff8236dcd0 name clusterip_netdev_event a.out 6898 [003] 54.809637: notifier:notifier_call_chain: val 17 fcn ffffffff82385210 name tls_dev_event a.out 6898 [003] 54.809641: notifier:notifier_call_chain: val 17 fcn ffffffff823e99b0 name ip6mr_device_event a.out 6898 [003] 54.809644: notifier:notifier_call_chain: val 17 fcn ffffffff823b9300 name addrconf_notify a.out 6898 [003] 54.809647: notifier:notifier_call_chain: val 17 fcn ffffffff823d9200 name ipv6_mc_netdev_event a.out 6898 [003] 54.809650: notifier:notifier_call_chain: val 17 fcn ffffffff82419160 name packet_notifier a.out 6898 [003] 54.809653: notifier:notifier_call_chain: val 17 fcn ffffffff824255f0 name br_device_event a.out 6898 [003] 54.809656: notifier:notifier_call_chain: val 17 fcn ffffffff8243e6e0 name brnf_device_event a.out 6898 [003] 54.809658: notifier:notifier_call_chain: val 17 fcn ffffffff8244c220 name dsa_slave_netdevice_event a.out 6898 [003] 54.809660: notifier:notifier_call_chain: val 17 fcn ffffffff8244df10 name x25_device_event a.out 6898 [003] 54.809662: notifier:notifier_call_chain: val 17 fcn ffffffff824562a0 name nr_device_event a.out 6898 [003] 54.809665: notifier:notifier_call_chain: val 17 fcn ffffffff8245bd20 name rose_device_event a.out 6898 [003] 54.809667: notifier:notifier_call_chain: val 17 fcn ffffffff82466e40 name ax25_device_event a.out 6898 [003] 54.809669: notifier:notifier_call_chain: val 17 fcn ffffffff8246b8a0 name can_notifier a.out 6898 [003] 54.809672: notifier:notifier_call_chain: val 17 fcn ffffffff82470860 name cgw_notifier a.out 6898 [003] 54.809674: notifier:notifier_call_chain: val 17 fcn ffffffff824c08b0 name device_event a.out 6898 [003] 54.809677: notifier:notifier_call_chain: val 17 fcn ffffffff825355a0 name clip_device_event a.out 6898 [003] 54.809680: notifier:notifier_call_chain: val 17 fcn ffffffff825481c0 name vlan_device_event a.out 6898 [003] 54.809682: notifier:notifier_call_chain: val 17 fcn ffffffff8267bde0 name tipc_l2_device_event a.out 6898 [003] 54.809684: notifier:notifier_call_chain: val 17 fcn ffffffff826ab0e0 name smc_pnet_netdev_event a.out 6898 [003] 54.809687: notifier:notifier_call_chain: val 17 fcn ffffffff826c3220 name caif_device_notify a.out 6898 [003] 54.809689: notifier:notifier_call_chain: val 17 fcn ffffffff826cb4b0 name cfusbl_device_notify a.out 6898 [003] 54.809691: notifier:notifier_call_chain: val 17 fcn ffffffff826cf280 name lowpan_event a.out 6898 [003] 54.809694: notifier:notifier_call_chain: val 17 fcn ffffffff826def50 name lowpan_device_event a.out 6898 [003] 54.809696: notifier:notifier_call_chain: val 17 fcn ffffffff827178d0 name batadv_hard_if_event a.out 6898 [003] 54.809700: notifier:notifier_call_chain: val 17 fcn ffffffff8274a0c0 name dp_device_event a.out 6898 [003] 54.809704: notifier:notifier_call_chain: val 17 fcn ffffffff827631d0 name mpls_dev_notify a.out 6898 [003] 54.809706: notifier:notifier_call_chain: val 17 fcn ffffffff82765180 name hsr_netdev_notify a.out 6898 [003] 54.809708: notifier:notifier_call_chain: val 17 fcn ffffffff81bc6cc0 name netconsole_netdev_event a.out 6898 [003] 54.809711: notifier:notifier_call_chain: val 17 fcn ffffffff81bec840 name vxlan_netdevice_event a.out 6898 [003] 54.809713: notifier:notifier_call_chain: val 17 fcn ffffffff81bf0c60 name geneve_netdevice_event a.out 6898 [003] 54.809717: notifier:notifier_call_chain: val 17 fcn ffffffff82025700 name rxe_notify a.out 6898 [003] 54.809719: notifier:notifier_call_chain: val 17 fcn ffffffff823cc0d0 name ndisc_netdev_event a.out 6898 [003] 54.809722: notifier:notifier_call_chain: val 17 fcn ffffffff823bde70 name ip6_route_dev_notify a.out 6898 [003] 54.809803: notifier:notifier_call_chain: val 5 fcn ffffffff822de9b0 name ip_vs_dst_event a.out 6898 [003] 54.809805: notifier:notifier_call_chain: val 5 fcn ffffffff821a1060 name rtnetlink_event a.out 6898 [003] 54.809807: notifier:notifier_call_chain: val 5 fcn ffffffff812c8830 name dev_map_notification a.out 6898 [003] 54.809810: notifier:notifier_call_chain: val 5 fcn ffffffff81f89a00 name netdevice_event a.out 6898 [003] 54.809812: notifier:notifier_call_chain: val 5 fcn ffffffff821b8c70 name fib_rules_event a.out 6898 [003] 54.809815: notifier:notifier_call_chain: val 5 fcn ffffffff821c11e0 name netprio_device_event a.out 6898 [003] 54.809817: notifier:notifier_call_chain: val 5 fcn ffffffff826012b0 name wext_netdev_notifier_call a.out 6898 [003] 54.809819: notifier:notifier_call_chain: val 5 fcn ffffffff8261b980 name netdev_notify a.out 6898 [003] 54.809821: notifier:notifier_call_chain: val 5 fcn ffffffff826a4e10 name netlbl_unlhsh_netdev_handler a.out 6898 [003] 54.809823: notifier:notifier_call_chain: val 5 fcn ffffffff826d5900 name cfg802154_netdev_notifier_call a.out 6898 [003] 54.809825: notifier:notifier_call_chain: val 5 fcn ffffffff826e1fa0 name netdev_notify a.out 6898 [003] 54.809828: notifier:notifier_call_chain: val 5 fcn ffffffff82331910 name arp_netdev_event a.out 6898 [003] 54.809829: notifier:notifier_call_chain: val 5 fcn ffffffff823389c0 name inetdev_event a.out 6898 [003] 54.809851: notifier:notifier_call_chain: val 5 fcn ffffffff82343370 name fib_netdev_event a.out 6898 [003] 54.809854: notifier:notifier_call_chain: val 5 fcn ffffffff82399140 name xfrm_dev_event a.out 6898 [003] 54.809856: notifier:notifier_call_chain: val 5 fcn ffffffff8233dec0 name igmp_netdev_event a.out 6898 [003] 54.809858: notifier:notifier_call_chain: val 5 fcn ffffffff82353c00 name ipmr_device_event a.out 6898 [003] 54.809860: notifier:notifier_call_chain: val 5 fcn ffffffff825a9440 name cfg80211_netdev_notifier_call a.out 6898 [003] 54.809863: notifier:notifier_call_chain: val 5 fcn ffffffff8168a060 name sel_netif_netdev_notifier_handler a.out 6898 [003] 54.809866: notifier:notifier_call_chain: val 5 fcn ffffffff81baec70 name bond_netdev_event a.out 6898 [003] 54.809868: notifier:notifier_call_chain: val 5 fcn ffffffff81bbb230 name ipvlan_device_event a.out 6898 [003] 54.809870: notifier:notifier_call_chain: val 5 fcn ffffffff81bbc890 name ipvtap_device_event a.out 6898 [003] 54.809872: notifier:notifier_call_chain: val 5 fcn ffffffff81bbe550 name macsec_notify a.out 6898 [003] 54.809874: notifier:notifier_call_chain: val 5 fcn ffffffff81bc4240 name macvlan_device_event a.out 6898 [003] 54.809875: notifier:notifier_call_chain: val 5 fcn ffffffff81bc56a0 name macvtap_device_event a.out 6898 [003] 54.809878: notifier:notifier_call_chain: val 5 fcn ffffffff81bd3370 name team_device_event a.out 6898 [003] 54.809880: notifier:notifier_call_chain: val 5 fcn ffffffff81bdb890 name tun_device_event a.out 6898 [003] 54.809882: notifier:notifier_call_chain: val 5 fcn ffffffff81bf5bf0 name vrf_device_event a.out 6898 [003] 54.809884: notifier:notifier_call_chain: val 5 fcn ffffffff81c8cb80 name bpq_device_event a.out 6898 [003] 54.809886: notifier:notifier_call_chain: val 5 fcn ffffffff81c96e40 name pppoe_device_event a.out 6898 [003] 54.809888: notifier:notifier_call_chain: val 5 fcn ffffffff81c9b380 name hdlc_device_event a.out 6898 [003] 54.809890: notifier:notifier_call_chain: val 5 fcn ffffffff81ca06a0 name dlci_dev_event a.out 6898 [003] 54.809892: notifier:notifier_call_chain: val 5 fcn ffffffff81ca12c0 name lapbeth_device_event a.out 6898 [003] 54.809894: notifier:notifier_call_chain: val 5 fcn ffffffff81fa90f0 name cma_netdev_callback a.out 6898 [003] 54.809896: notifier:notifier_call_chain: val 5 fcn ffffffff81fee6a0 name ipoib_netdev_event a.out 6898 [003] 54.809898: notifier:notifier_call_chain: val 5 fcn ffffffff821c0e20 name dropmon_net_event a.out 6898 [003] 54.809900: notifier:notifier_call_chain: val 5 fcn ffffffff821c5d80 name failover_event a.out 6898 [003] 54.809902: notifier:notifier_call_chain: val 5 fcn ffffffff821e3a60 name mirred_device_event a.out 6898 [003] 54.809904: notifier:notifier_call_chain: val 5 fcn ffffffff8223a930 name nfqnl_rcv_dev_event a.out 6898 [003] 54.809906: notifier:notifier_call_chain: val 5 fcn ffffffff82273bd0 name nf_tables_netdev_event a.out 6898 [003] 54.809908: notifier:notifier_call_chain: val 5 fcn ffffffff822667c0 name nf_tables_flowtable_event a.out 6898 [003] 54.809911: notifier:notifier_call_chain: val 5 fcn ffffffff8227ef40 name flow_offload_netdev_event a.out 6898 [003] 54.809913: notifier:notifier_call_chain: val 5 fcn ffffffff82260e40 name masq_device_event a.out 6898 [003] 54.809914: notifier:notifier_call_chain: val 5 fcn ffffffff82290560 name tee_netdev_event a.out 6898 [003] 54.809917: notifier:notifier_call_chain: val 5 fcn ffffffff8236dcd0 name clusterip_netdev_event a.out 6898 [003] 54.809919: notifier:notifier_call_chain: val 5 fcn ffffffff82385210 name tls_dev_event a.out 6898 [003] 54.809921: notifier:notifier_call_chain: val 5 fcn ffffffff823e99b0 name ip6mr_device_event a.out 6898 [003] 54.809923: notifier:notifier_call_chain: val 5 fcn ffffffff823b9300 name addrconf_notify a.out 6898 [003] 54.809956: notifier:notifier_call_chain: val 5 fcn ffffffff823d9200 name ipv6_mc_netdev_event a.out 6898 [003] 54.809959: notifier:notifier_call_chain: val 5 fcn ffffffff82419160 name packet_notifier a.out 6898 [003] 54.809961: notifier:notifier_call_chain: val 5 fcn ffffffff824255f0 name br_device_event a.out 6898 [003] 54.809964: notifier:notifier_call_chain: val 5 fcn ffffffff8243e6e0 name brnf_device_event a.out 6898 [003] 54.809966: notifier:notifier_call_chain: val 5 fcn ffffffff8244c220 name dsa_slave_netdevice_event a.out 6898 [003] 54.809968: notifier:notifier_call_chain: val 5 fcn ffffffff8244df10 name x25_device_event a.out 6898 [003] 54.809970: notifier:notifier_call_chain: val 5 fcn ffffffff824562a0 name nr_device_event a.out 6898 [003] 54.809972: notifier:notifier_call_chain: val 5 fcn ffffffff8245bd20 name rose_device_event a.out 6898 [003] 54.809974: notifier:notifier_call_chain: val 5 fcn ffffffff82466e40 name ax25_device_event a.out 6898 [003] 54.809976: notifier:notifier_call_chain: val 5 fcn ffffffff8246b8a0 name can_notifier a.out 6898 [003] 54.809978: notifier:notifier_call_chain: val 5 fcn ffffffff82470860 name cgw_notifier a.out 6898 [003] 54.809980: notifier:notifier_call_chain: val 5 fcn ffffffff824c08b0 name device_event a.out 6898 [003] 54.809982: notifier:notifier_call_chain: val 5 fcn ffffffff825355a0 name clip_device_event a.out 6898 [003] 54.809984: notifier:notifier_call_chain: val 5 fcn ffffffff825481c0 name vlan_device_event a.out 6898 [003] 54.809986: notifier:notifier_call_chain: val 5 fcn ffffffff8267bde0 name tipc_l2_device_event a.out 6898 [003] 54.809988: notifier:notifier_call_chain: val 5 fcn ffffffff826ab0e0 name smc_pnet_netdev_event a.out 6898 [003] 54.809991: notifier:notifier_call_chain: val 5 fcn ffffffff826c3220 name caif_device_notify a.out 6898 [003] 54.809993: notifier:notifier_call_chain: val 5 fcn ffffffff826cb4b0 name cfusbl_device_notify a.out 6898 [003] 54.809995: notifier:notifier_call_chain: val 5 fcn ffffffff826cf280 name lowpan_event a.out 6898 [003] 54.809997: notifier:notifier_call_chain: val 5 fcn ffffffff826def50 name lowpan_device_event a.out 6898 [003] 54.809999: notifier:notifier_call_chain: val 5 fcn ffffffff827178d0 name batadv_hard_if_event a.out 6898 [003] 54.810001: notifier:notifier_call_chain: val 5 fcn ffffffff8274a0c0 name dp_device_event a.out 6898 [003] 54.810003: notifier:notifier_call_chain: val 5 fcn ffffffff827631d0 name mpls_dev_notify a.out 6898 [003] 54.810012: notifier:notifier_call_chain: val 5 fcn ffffffff82765180 name hsr_netdev_notify a.out 6898 [003] 54.810014: notifier:notifier_call_chain: val 5 fcn ffffffff81bc6cc0 name netconsole_netdev_event a.out 6898 [003] 54.810017: notifier:notifier_call_chain: val 5 fcn ffffffff81bec840 name vxlan_netdevice_event a.out 6898 [003] 54.810020: notifier:notifier_call_chain: val 5 fcn ffffffff81bf0c60 name geneve_netdevice_event a.out 6898 [003] 54.810022: notifier:notifier_call_chain: val 5 fcn ffffffff82025700 name rxe_notify a.out 6898 [003] 54.810024: notifier:notifier_call_chain: val 5 fcn ffffffff823cc0d0 name ndisc_netdev_event a.out 6898 [003] 54.810027: notifier:notifier_call_chain: val 5 fcn ffffffff823bde70 name ip6_route_dev_notify (...snipped...) a.out 17698 [002] 76.174214: notifier:notifier_call_chain: val 6 fcn ffffffff824c08b0 name device_event a.out 17698 [002] 76.174215: notifier:notifier_call_chain: val 6 fcn ffffffff825355a0 name clip_device_event a.out 17698 [002] 76.174217: notifier:notifier_call_chain: val 6 fcn ffffffff825481c0 name vlan_device_event a.out 17698 [002] 76.174219: notifier:notifier_call_chain: val 6 fcn ffffffff8267bde0 name tipc_l2_device_event a.out 17698 [002] 76.174221: notifier:notifier_call_chain: val 6 fcn ffffffff826ab0e0 name smc_pnet_netdev_event a.out 17698 [002] 76.174224: notifier:notifier_call_chain: val 6 fcn ffffffff826c3220 name caif_device_notify a.out 17698 [002] 76.174226: notifier:notifier_call_chain: val 6 fcn ffffffff826cb4b0 name cfusbl_device_notify a.out 17698 [002] 76.174227: notifier:notifier_call_chain: val 6 fcn ffffffff826cf280 name lowpan_event a.out 17698 [002] 76.174229: notifier:notifier_call_chain: val 6 fcn ffffffff826def50 name lowpan_device_event a.out 17698 [002] 76.174231: notifier:notifier_call_chain: val 6 fcn ffffffff827178d0 name batadv_hard_if_event a.out 17698 [002] 76.174257: notifier:notifier_call_chain: val 6 fcn ffffffff8274a0c0 name dp_device_event a.out 17698 [002] 76.174259: notifier:notifier_call_chain: val 6 fcn ffffffff827631d0 name mpls_dev_notify a.out 17698 [002] 76.174264: notifier:notifier_call_chain: val 6 fcn ffffffff82765180 name hsr_netdev_notify a.out 17698 [002] 76.174266: notifier:notifier_call_chain: val 6 fcn ffffffff81bc6cc0 name netconsole_netdev_event a.out 17698 [002] 76.174268: notifier:notifier_call_chain: val 6 fcn ffffffff81bec840 name vxlan_netdevice_event a.out 17698 [002] 76.174270: notifier:notifier_call_chain: val 6 fcn ffffffff81bf0c60 name geneve_netdevice_event a.out 17698 [002] 76.174273: notifier:notifier_call_chain: val 6 fcn ffffffff82025700 name rxe_notify a.out 17698 [002] 76.174274: notifier:notifier_call_chain: val 6 fcn ffffffff823cc0d0 name ndisc_netdev_event a.out 17698 [002] 76.174276: notifier:notifier_call_chain: val 6 fcn ffffffff823bde70 name ip6_route_dev_notify kworker/u128:32 4366 [001] 76.297089: notifier:notifier_call_chain: val 6 fcn ffffffff822de9b0 name ip_vs_dst_event kworker/u128:32 4366 [001] 76.297095: notifier:notifier_call_chain: val 6 fcn ffffffff821a1060 name rtnetlink_event kworker/u128:32 4366 [001] 76.297098: notifier:notifier_call_chain: val 6 fcn ffffffff812c8830 name dev_map_notification kworker/u128:32 4366 [001] 76.297101: notifier:notifier_call_chain: val 6 fcn ffffffff81f89a00 name netdevice_event kworker/u128:32 4366 [001] 76.297104: notifier:notifier_call_chain: val 6 fcn ffffffff821b8c70 name fib_rules_event kworker/u128:32 4366 [001] 76.297107: notifier:notifier_call_chain: val 6 fcn ffffffff821c11e0 name netprio_device_event kworker/u128:32 4366 [001] 76.297111: notifier:notifier_call_chain: val 6 fcn ffffffff826012b0 name wext_netdev_notifier_call kworker/u128:32 4366 [001] 76.297115: notifier:notifier_call_chain: val 6 fcn ffffffff8261b980 name netdev_notify kworker/u128:32 4366 [001] 76.297117: notifier:notifier_call_chain: val 6 fcn ffffffff826a4e10 name netlbl_unlhsh_netdev_handler kworker/u128:32 4366 [001] 76.297119: notifier:notifier_call_chain: val 6 fcn ffffffff826d5900 name cfg802154_netdev_notifier_call kworker/u128:32 4366 [001] 76.297123: notifier:notifier_call_chain: val 6 fcn ffffffff826e1fa0 name netdev_notify kworker/u128:32 4366 [001] 76.297126: notifier:notifier_call_chain: val 6 fcn ffffffff82331910 name arp_netdev_event kworker/u128:32 4366 [001] 76.297128: notifier:notifier_call_chain: val 6 fcn ffffffff823389c0 name inetdev_event kworker/u128:32 4366 [001] 76.297146: notifier:notifier_call_chain: val 6 fcn ffffffff82343370 name fib_netdev_event kworker/u128:32 4366 [001] 76.297221: notifier:notifier_call_chain: val 6 fcn ffffffff82399140 name xfrm_dev_event (...snipped...) kworker/u128:32 4366 [002] 86.837244: notifier:notifier_call_chain: val 6 fcn ffffffff822de9b0 name ip_vs_dst_event kworker/u128:32 4366 [002] 86.837260: notifier:notifier_call_chain: val 6 fcn ffffffff821a1060 name rtnetlink_event kworker/u128:32 4366 [002] 86.837269: notifier:notifier_call_chain: val 6 fcn ffffffff812c8830 name dev_map_notification kworker/u128:32 4366 [002] 86.837278: notifier:notifier_call_chain: val 6 fcn ffffffff81f89a00 name netdevice_event kworker/u128:32 4366 [002] 86.837284: notifier:notifier_call_chain: val 6 fcn ffffffff821b8c70 name fib_rules_event kworker/u128:32 4366 [002] 86.837293: notifier:notifier_call_chain: val 6 fcn ffffffff821c11e0 name netprio_device_event kworker/u128:32 4366 [002] 86.837305: notifier:notifier_call_chain: val 6 fcn ffffffff826012b0 name wext_netdev_notifier_call kworker/u128:32 4366 [002] 86.837315: notifier:notifier_call_chain: val 6 fcn ffffffff8261b980 name netdev_notify kworker/u128:32 4366 [002] 86.837321: notifier:notifier_call_chain: val 6 fcn ffffffff826a4e10 name netlbl_unlhsh_netdev_handler kworker/u128:32 4366 [002] 86.837327: notifier:notifier_call_chain: val 6 fcn ffffffff826d5900 name cfg802154_netdev_notifier_call kworker/u128:32 4366 [002] 86.837335: notifier:notifier_call_chain: val 6 fcn ffffffff826e1fa0 name netdev_notify kworker/u128:32 4366 [002] 86.837344: notifier:notifier_call_chain: val 6 fcn ffffffff82331910 name arp_netdev_event kworker/u128:32 4366 [002] 86.837348: notifier:notifier_call_chain: val 6 fcn ffffffff823389c0 name inetdev_event kworker/u128:32 4366 [002] 86.837355: notifier:notifier_call_chain: val 6 fcn ffffffff82343370 name fib_netdev_event kworker/u128:32 4366 [002] 86.837736: notifier:notifier_call_chain: val 6 fcn ffffffff82399140 name xfrm_dev_event kworker/u128:32 4366 [002] 86.837743: notifier:notifier_call_chain: val 6 fcn ffffffff8233dec0 name igmp_netdev_event kworker/u128:32 4366 [002] 86.837750: notifier:notifier_call_chain: val 6 fcn ffffffff82353c00 name ipmr_device_event kworker/u128:32 4366 [002] 86.837761: notifier:notifier_call_chain: val 6 fcn ffffffff825a9440 name cfg80211_netdev_notifier_call kworker/u128:32 4366 [002] 86.837772: notifier:notifier_call_chain: val 6 fcn ffffffff8168a060 name sel_netif_netdev_notifier_handler kworker/u128:32 4366 [002] 86.837782: notifier:notifier_call_chain: val 6 fcn ffffffff81baec70 name bond_netdev_event kworker/u128:32 4366 [002] 86.837789: notifier:notifier_call_chain: val 6 fcn ffffffff81bbb230 name ipvlan_device_event kworker/u128:32 4366 [002] 86.837796: notifier:notifier_call_chain: val 6 fcn ffffffff81bbc890 name ipvtap_device_event kworker/u128:32 4366 [002] 86.837799: notifier:notifier_call_chain: val 6 fcn ffffffff81bbe550 name macsec_notify kworker/u128:32 4366 [002] 86.837804: notifier:notifier_call_chain: val 6 fcn ffffffff81bc4240 name macvlan_device_event kworker/u128:32 4366 [002] 86.837808: notifier:notifier_call_chain: val 6 fcn ffffffff81bc56a0 name macvtap_device_event kworker/u128:32 4366 [002] 86.837816: notifier:notifier_call_chain: val 6 fcn ffffffff81bd3370 name team_device_event kworker/u128:32 4366 [002] 86.837821: notifier:notifier_call_chain: val 6 fcn ffffffff81bdb890 name tun_device_event kworker/u128:32 4366 [002] 86.837826: notifier:notifier_call_chain: val 6 fcn ffffffff81bf5bf0 name vrf_device_event kworker/u128:32 4366 [002] 86.837834: notifier:notifier_call_chain: val 6 fcn ffffffff81c8cb80 name bpq_device_event kworker/u128:32 4366 [002] 86.837841: notifier:notifier_call_chain: val 6 fcn ffffffff81c96e40 name pppoe_device_event kworker/u128:32 4366 [002] 86.837845: notifier:notifier_call_chain: val 6 fcn ffffffff81c9b380 name hdlc_device_event kworker/u128:32 4366 [002] 86.837850: notifier:notifier_call_chain: val 6 fcn ffffffff81ca06a0 name dlci_dev_event kworker/u128:32 4366 [002] 86.837855: notifier:notifier_call_chain: val 6 fcn ffffffff81ca12c0 name lapbeth_device_event kworker/u128:32 4366 [002] 86.837862: notifier:notifier_call_chain: val 6 fcn ffffffff81fa90f0 name cma_netdev_callback kworker/u128:32 4366 [002] 86.837868: notifier:notifier_call_chain: val 6 fcn ffffffff81fee6a0 name ipoib_netdev_event kworker/u128:32 4366 [002] 86.837875: notifier:notifier_call_chain: val 6 fcn ffffffff821c0e20 name dropmon_net_event kworker/u128:32 4366 [002] 86.837896: notifier:notifier_call_chain: val 6 fcn ffffffff821c5d80 name failover_event kworker/u128:32 4366 [002] 86.837903: notifier:notifier_call_chain: val 6 fcn ffffffff821e3a60 name mirred_device_event kworker/u128:32 4366 [002] 86.837909: notifier:notifier_call_chain: val 6 fcn ffffffff8223a930 name nfqnl_rcv_dev_event kworker/u128:32 4366 [002] 86.837918: notifier:notifier_call_chain: val 6 fcn ffffffff82273bd0 name nf_tables_netdev_event kworker/u128:32 4366 [002] 86.837924: notifier:notifier_call_chain: val 6 fcn ffffffff822667c0 name nf_tables_flowtable_event kworker/u128:32 4366 [002] 86.837932: notifier:notifier_call_chain: val 6 fcn ffffffff8227ef40 name flow_offload_netdev_event kworker/u128:32 4366 [002] 86.837936: notifier:notifier_call_chain: val 6 fcn ffffffff82260e40 name masq_device_event kworker/u128:32 4366 [002] 86.837941: notifier:notifier_call_chain: val 6 fcn ffffffff82290560 name tee_netdev_event kworker/u128:32 4366 [002] 86.837950: notifier:notifier_call_chain: val 6 fcn ffffffff8236dcd0 name clusterip_netdev_event kworker/u128:32 4366 [002] 86.837955: notifier:notifier_call_chain: val 6 fcn ffffffff82385210 name tls_dev_event kworker/u128:32 4366 [002] 86.837964: notifier:notifier_call_chain: val 6 fcn ffffffff823e99b0 name ip6mr_device_event kworker/u128:32 4366 [002] 86.837972: notifier:notifier_call_chain: val 6 fcn ffffffff823b9300 name addrconf_notify kworker/u128:32 4366 [002] 86.837989: notifier:notifier_call_chain: val 6 fcn ffffffff823d9200 name ipv6_mc_netdev_event kworker/u128:32 4366 [002] 86.837997: notifier:notifier_call_chain: val 6 fcn ffffffff82419160 name packet_notifier kworker/u128:32 4366 [002] 86.838003: notifier:notifier_call_chain: val 6 fcn ffffffff824255f0 name br_device_event kworker/u128:32 4366 [002] 86.838012: notifier:notifier_call_chain: val 6 fcn ffffffff8243e6e0 name brnf_device_event kworker/u128:32 4366 [002] 86.838017: notifier:notifier_call_chain: val 6 fcn ffffffff8244c220 name dsa_slave_netdevice_event kworker/u128:32 4366 [002] 86.838023: notifier:notifier_call_chain: val 6 fcn ffffffff8244df10 name x25_device_event kworker/u128:32 4366 [002] 86.838028: notifier:notifier_call_chain: val 6 fcn ffffffff824562a0 name nr_device_event kworker/u128:32 4366 [002] 86.838033: notifier:notifier_call_chain: val 6 fcn ffffffff8245bd20 name rose_device_event kworker/u128:32 4366 [002] 86.838039: notifier:notifier_call_chain: val 6 fcn ffffffff82466e40 name ax25_device_event kworker/u128:32 4366 [002] 86.838044: notifier:notifier_call_chain: val 6 fcn ffffffff8246b8a0 name can_notifier kworker/u128:32 4366 [002] 86.838050: notifier:notifier_call_chain: val 6 fcn ffffffff82470860 name cgw_notifier kworker/u128:32 4366 [002] 86.838056: notifier:notifier_call_chain: val 6 fcn ffffffff824c08b0 name device_event kworker/u128:32 4366 [002] 86.838062: notifier:notifier_call_chain: val 6 fcn ffffffff825355a0 name clip_device_event kworker/u128:32 4366 [002] 86.838067: notifier:notifier_call_chain: val 6 fcn ffffffff825481c0 name vlan_device_event kworker/u128:32 4366 [002] 86.838073: notifier:notifier_call_chain: val 6 fcn ffffffff8267bde0 name tipc_l2_device_event kworker/u128:32 4366 [002] 86.838079: notifier:notifier_call_chain: val 6 fcn ffffffff826ab0e0 name smc_pnet_netdev_event kworker/u128:32 4366 [002] 86.838158: notifier:notifier_call_chain: val 6 fcn ffffffff826c3220 name caif_device_notify kworker/u128:32 4366 [002] 86.838169: notifier:notifier_call_chain: val 6 fcn ffffffff826cb4b0 name cfusbl_device_notify kworker/u128:32 4366 [002] 86.838174: notifier:notifier_call_chain: val 6 fcn ffffffff826cf280 name lowpan_event kworker/u128:32 4366 [002] 86.838180: notifier:notifier_call_chain: val 6 fcn ffffffff826def50 name lowpan_device_event kworker/u128:32 4366 [002] 86.838186: notifier:notifier_call_chain: val 6 fcn ffffffff827178d0 name batadv_hard_if_event kworker/u128:32 4366 [002] 86.838199: notifier:notifier_call_chain: val 6 fcn ffffffff8274a0c0 name dp_device_event kworker/u128:32 4366 [002] 86.838207: notifier:notifier_call_chain: val 6 fcn ffffffff827631d0 name mpls_dev_notify kworker/u128:32 4366 [002] 86.838212: notifier:notifier_call_chain: val 6 fcn ffffffff82765180 name hsr_netdev_notify kworker/u128:32 4366 [002] 86.838219: notifier:notifier_call_chain: val 6 fcn ffffffff81bc6cc0 name netconsole_netdev_event kworker/u128:32 4366 [002] 86.838226: notifier:notifier_call_chain: val 6 fcn ffffffff81bec840 name vxlan_netdevice_event kworker/u128:32 4366 [002] 86.838235: notifier:notifier_call_chain: val 6 fcn ffffffff81bf0c60 name geneve_netdevice_event kworker/u128:32 4366 [002] 86.838244: notifier:notifier_call_chain: val 6 fcn ffffffff82025700 name rxe_notify kworker/u128:32 4366 [002] 86.838250: notifier:notifier_call_chain: val 6 fcn ffffffff823cc0d0 name ndisc_netdev_event kworker/u128:32 4366 [002] 86.838256: notifier:notifier_call_chain: val 6 fcn ffffffff823bde70 name ip6_route_dev_notify kworker/u128:32 4366 [002] 87.985339: notifier:notifier_call_chain: val 6 fcn ffffffff822de9b0 name ip_vs_dst_event kworker/u128:32 4366 [002] 87.985354: notifier:notifier_call_chain: val 6 fcn ffffffff821a1060 name rtnetlink_event kworker/u128:32 4366 [002] 87.985362: notifier:notifier_call_chain: val 6 fcn ffffffff812c8830 name dev_map_notification kworker/u128:32 4366 [002] 87.985370: notifier:notifier_call_chain: val 6 fcn ffffffff81f89a00 name netdevice_event kworker/u128:32 4366 [002] 87.985375: notifier:notifier_call_chain: val 6 fcn ffffffff821b8c70 name fib_rules_event kworker/u128:32 4366 [002] 87.985385: notifier:notifier_call_chain: val 6 fcn ffffffff821c11e0 name netprio_device_event kworker/u128:32 4366 [002] 87.985396: notifier:notifier_call_chain: val 6 fcn ffffffff826012b0 name wext_netdev_notifier_call kworker/u128:32 4366 [002] 87.985405: notifier:notifier_call_chain: val 6 fcn ffffffff8261b980 name netdev_notify kworker/u128:32 4366 [002] 87.985411: notifier:notifier_call_chain: val 6 fcn ffffffff826a4e10 name netlbl_unlhsh_netdev_handler kworker/u128:32 4366 [002] 87.985416: notifier:notifier_call_chain: val 6 fcn ffffffff826d5900 name cfg802154_netdev_notifier_call kworker/u128:32 4366 [002] 87.985424: notifier:notifier_call_chain: val 6 fcn ffffffff826e1fa0 name netdev_notify kworker/u128:32 4366 [002] 87.985433: notifier:notifier_call_chain: val 6 fcn ffffffff82331910 name arp_netdev_event kworker/u128:32 4366 [002] 87.985437: notifier:notifier_call_chain: val 6 fcn ffffffff823389c0 name inetdev_event kworker/u128:32 4366 [002] 87.985443: notifier:notifier_call_chain: val 6 fcn ffffffff82343370 name fib_netdev_event kworker/u128:32 4366 [002] 87.985727: notifier:notifier_call_chain: val 6 fcn ffffffff82399140 name xfrm_dev_event kworker/u128:32 4366 [002] 87.985733: notifier:notifier_call_chain: val 6 fcn ffffffff8233dec0 name igmp_netdev_event kworker/u128:32 4366 [002] 87.985740: notifier:notifier_call_chain: val 6 fcn ffffffff82353c00 name ipmr_device_event kworker/u128:32 4366 [002] 87.985751: notifier:notifier_call_chain: val 6 fcn ffffffff825a9440 name cfg80211_netdev_notifier_call kworker/u128:32 4366 [002] 87.985762: notifier:notifier_call_chain: val 6 fcn ffffffff8168a060 name sel_netif_netdev_notifier_handler kworker/u128:32 4366 [002] 87.985772: notifier:notifier_call_chain: val 6 fcn ffffffff81baec70 name bond_netdev_event kworker/u128:32 4366 [002] 87.985780: notifier:notifier_call_chain: val 6 fcn ffffffff81bbb230 name ipvlan_device_event kworker/u128:32 4366 [002] 87.985786: notifier:notifier_call_chain: val 6 fcn ffffffff81bbc890 name ipvtap_device_event kworker/u128:32 4366 [002] 87.985789: notifier:notifier_call_chain: val 6 fcn ffffffff81bbe550 name macsec_notify kworker/u128:32 4366 [002] 87.985794: notifier:notifier_call_chain: val 6 fcn ffffffff81bc4240 name macvlan_device_event kworker/u128:32 4366 [002] 87.985799: notifier:notifier_call_chain: val 6 fcn ffffffff81bc56a0 name macvtap_device_event kworker/u128:32 4366 [002] 87.985807: notifier:notifier_call_chain: val 6 fcn ffffffff81bd3370 name team_device_event kworker/u128:32 4366 [002] 87.985812: notifier:notifier_call_chain: val 6 fcn ffffffff81bdb890 name tun_device_event kworker/u128:32 4366 [002] 87.985817: notifier:notifier_call_chain: val 6 fcn ffffffff81bf5bf0 name vrf_device_event kworker/u128:32 4366 [002] 87.985824: notifier:notifier_call_chain: val 6 fcn ffffffff81c8cb80 name bpq_device_event kworker/u128:32 4366 [002] 87.985830: notifier:notifier_call_chain: val 6 fcn ffffffff81c96e40 name pppoe_device_event kworker/u128:32 4366 [002] 87.985835: notifier:notifier_call_chain: val 6 fcn ffffffff81c9b380 name hdlc_device_event kworker/u128:32 4366 [002] 87.985840: notifier:notifier_call_chain: val 6 fcn ffffffff81ca06a0 name dlci_dev_event kworker/u128:32 4366 [002] 87.985845: notifier:notifier_call_chain: val 6 fcn ffffffff81ca12c0 name lapbeth_device_event kworker/u128:32 4366 [002] 87.985852: notifier:notifier_call_chain: val 6 fcn ffffffff81fa90f0 name cma_netdev_callback kworker/u128:32 4366 [002] 87.985857: notifier:notifier_call_chain: val 6 fcn ffffffff81fee6a0 name ipoib_netdev_event kworker/u128:32 4366 [002] 87.985863: notifier:notifier_call_chain: val 6 fcn ffffffff821c0e20 name dropmon_net_event kworker/u128:32 4366 [002] 87.985883: notifier:notifier_call_chain: val 6 fcn ffffffff821c5d80 name failover_event kworker/u128:32 4366 [002] 87.985890: notifier:notifier_call_chain: val 6 fcn ffffffff821e3a60 name mirred_device_event kworker/u128:32 4366 [002] 87.985896: notifier:notifier_call_chain: val 6 fcn ffffffff8223a930 name nfqnl_rcv_dev_event kworker/u128:32 4366 [002] 87.985905: notifier:notifier_call_chain: val 6 fcn ffffffff82273bd0 name nf_tables_netdev_event kworker/u128:32 4366 [002] 87.985911: notifier:notifier_call_chain: val 6 fcn ffffffff822667c0 name nf_tables_flowtable_event kworker/u128:32 4366 [002] 87.985919: notifier:notifier_call_chain: val 6 fcn ffffffff8227ef40 name flow_offload_netdev_event kworker/u128:32 4366 [002] 87.985923: notifier:notifier_call_chain: val 6 fcn ffffffff82260e40 name masq_device_event kworker/u128:32 4366 [002] 87.985929: notifier:notifier_call_chain: val 6 fcn ffffffff82290560 name tee_netdev_event kworker/u128:32 4366 [002] 87.985938: notifier:notifier_call_chain: val 6 fcn ffffffff8236dcd0 name clusterip_netdev_event kworker/u128:32 4366 [002] 87.985943: notifier:notifier_call_chain: val 6 fcn ffffffff82385210 name tls_dev_event kworker/u128:32 4366 [002] 87.985952: notifier:notifier_call_chain: val 6 fcn ffffffff823e99b0 name ip6mr_device_event kworker/u128:32 4366 [002] 87.985959: notifier:notifier_call_chain: val 6 fcn ffffffff823b9300 name addrconf_notify kworker/u128:32 4366 [002] 87.985977: notifier:notifier_call_chain: val 6 fcn ffffffff823d9200 name ipv6_mc_netdev_event kworker/u128:32 4366 [002] 87.985984: notifier:notifier_call_chain: val 6 fcn ffffffff82419160 name packet_notifier kworker/u128:32 4366 [002] 87.985990: notifier:notifier_call_chain: val 6 fcn ffffffff824255f0 name br_device_event kworker/u128:32 4366 [002] 87.985999: notifier:notifier_call_chain: val 6 fcn ffffffff8243e6e0 name brnf_device_event kworker/u128:32 4366 [002] 87.986005: notifier:notifier_call_chain: val 6 fcn ffffffff8244c220 name dsa_slave_netdevice_event kworker/u128:32 4366 [002] 87.986011: notifier:notifier_call_chain: val 6 fcn ffffffff8244df10 name x25_device_event kworker/u128:32 4366 [002] 87.986016: notifier:notifier_call_chain: val 6 fcn ffffffff824562a0 name nr_device_event kworker/u128:32 4366 [002] 87.986021: notifier:notifier_call_chain: val 6 fcn ffffffff8245bd20 name rose_device_event kworker/u128:32 4366 [002] 87.986027: notifier:notifier_call_chain: val 6 fcn ffffffff82466e40 name ax25_device_event kworker/u128:32 4366 [002] 87.986032: notifier:notifier_call_chain: val 6 fcn ffffffff8246b8a0 name can_notifier kworker/u128:32 4366 [002] 87.986037: notifier:notifier_call_chain: val 6 fcn ffffffff82470860 name cgw_notifier kworker/u128:32 4366 [002] 87.986043: notifier:notifier_call_chain: val 6 fcn ffffffff824c08b0 name device_event kworker/u128:32 4366 [002] 87.986049: notifier:notifier_call_chain: val 6 fcn ffffffff825355a0 name clip_device_event kworker/u128:32 4366 [002] 87.986055: notifier:notifier_call_chain: val 6 fcn ffffffff825481c0 name vlan_device_event kworker/u128:32 4366 [002] 87.986061: notifier:notifier_call_chain: val 6 fcn ffffffff8267bde0 name tipc_l2_device_event kworker/u128:32 4366 [002] 87.986067: notifier:notifier_call_chain: val 6 fcn ffffffff826ab0e0 name smc_pnet_netdev_event kworker/u128:32 4366 [002] 87.986076: notifier:notifier_call_chain: val 6 fcn ffffffff826c3220 name caif_device_notify kworker/u128:32 4366 [002] 87.986081: notifier:notifier_call_chain: val 6 fcn ffffffff826cb4b0 name cfusbl_device_notify kworker/u128:32 4366 [002] 87.986087: notifier:notifier_call_chain: val 6 fcn ffffffff826cf280 name lowpan_event kworker/u128:32 4366 [002] 87.986092: notifier:notifier_call_chain: val 6 fcn ffffffff826def50 name lowpan_device_event kworker/u128:32 4366 [002] 87.986097: notifier:notifier_call_chain: val 6 fcn ffffffff827178d0 name batadv_hard_if_event kworker/u128:32 4366 [002] 87.986109: notifier:notifier_call_chain: val 6 fcn ffffffff8274a0c0 name dp_device_event kworker/u128:32 4366 [002] 87.986117: notifier:notifier_call_chain: val 6 fcn ffffffff827631d0 name mpls_dev_notify kworker/u128:32 4366 [002] 87.986123: notifier:notifier_call_chain: val 6 fcn ffffffff82765180 name hsr_netdev_notify kworker/u128:32 4366 [002] 87.986128: notifier:notifier_call_chain: val 6 fcn ffffffff81bc6cc0 name netconsole_netdev_event kworker/u128:32 4366 [002] 87.986136: notifier:notifier_call_chain: val 6 fcn ffffffff81bec840 name vxlan_netdevice_event kworker/u128:32 4366 [002] 87.986144: notifier:notifier_call_chain: val 6 fcn ffffffff81bf0c60 name geneve_netdevice_event kworker/u128:32 4366 [002] 87.986153: notifier:notifier_call_chain: val 6 fcn ffffffff82025700 name rxe_notify kworker/u128:32 4366 [002] 87.986159: notifier:notifier_call_chain: val 6 fcn ffffffff823cc0d0 name ndisc_netdev_event kworker/u128:32 4366 [002] 87.986165: notifier:notifier_call_chain: val 6 fcn ffffffff823bde70 name ip6_route_dev_notify