SYZFAIL: tun: read failed (errno 19: Operation not supported by device) SYZFAIL: child failed (errno 0: No error: 0) if_delmulti_locked: detaching ifnet instance 0xfffff80031e66000 if_delmulti_locked: detaching ifnet instance 0xfffff80031e66000 if_delmulti_locked: detaching ifnet instance 0xfffff80031e66000 FreeBSD/amd64 (ci-freebsd-maiif_delmulti_locked: detaching ifnet instance 0xfffff80004787800 if_delmulti_locked: detaching ifnet instance 0xfffff80004787800 n-6.c.syzkaller.if_delmulti_locked: detaching ifnet instance 0xfffff80004787800 internal) (ttyu0) login: