net/built-in.o: In function `p8022_request':
net/built-in.o(.text+0xdb49): undefined reference to
`llc_build_and_send_ui_pkt'
net/built-in.o: In function `register_8022_client':
net/built-in.o(.text+0xdb92): undefined reference to `llc_sap_open'
net/built-in.o: In function `unregister_8022_client':
net/built-in.o(.text+0xdbbe): undefined reference to `llc_sap_close'
net/built-in.o: In function `snap_request':
net/built-in.o(.text+0xdd00): undefined reference to
`llc_build_and_send_ui_pkt'
net/built-in.o: In function `snap_init':
net/built-in.o(.text.init+0x59b): undefined reference to `llc_sap_open'