root@mikes-ubuntu-21-04:/tmp/dbg# date; ./mount_hang.sh Tue Jun 8 07:09:45 AM UTC 2021 + echo PID_OF_DEAD_BG_MOUNT=714882 PID_OF_DEAD_BG_MOUNT=714882 + sleep 5 + mount -o vers=4 -v -v -v 2.2.2.2:/fake_path /tmp/mnt.dead mount.nfs: timeout set for Tue Jun 8 07:11:45 2021 mount.nfs: trying text-based options 'vers=4,addr=2.2.2.2,clientaddr=10.162.132.231' + mount -o vers=4 -v -v -v 10.188.76.67:/git /tmp/mnt.alive mount.nfs: timeout set for Tue Jun 8 07:11:50 2021 mount.nfs: trying text-based options 'vers=4,addr=10.188.76.67,clientaddr=10.162.132.231' ^C root@mikes-ubuntu-21-04:/tmp/dbg# date Tue Jun 8 07:09:56 AM UTC 2021