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 0xfffffe00587cb800 if_delmulti_locked: detaching ifnet instance 0xfffffe00587cb800 if_delmulti_locked: detaching ifnet instance 0xfffffe00587cb800 if_delmulti_locked: detaching ifnet instance 0xfffffe00587cb000 if_delmulti_locked: detaching ifnet instance 0xfffffe00587cb000 if_delmulti_locked: detaching ifnet instance 0xfffffe00587cb000 Oct 27 00:15:47 ci-freebsd-i386-4 dhclient[1089]: Interface tap0 is down, dhclient exiting Oct 27 00:15:47 FreeBSD/amd64 (ci-freebsd-i386-4.c.syzkaller.internal) (ttyu0if_delmulti_locked: detaching ifnet instance 0xfffffe00587fd800 ) login: if_delmulti_locked: detaching ifnet instance 0xfffffe00587fd800 if_delmulti_locked: detaching ifnet instance 0xfffffe00587fd800 Oct 27 00:15:47 ci-freebsd-i386-4 dhclient[7082]: Interface tap2 is down, dhclient exiting if_delmulti_locked: detaching ifnet instance 0xfffffe00587cb000 if_delmulti_locked: detaching ifnet instance 0xfffffe00587cb000 if_delmulti_locked: detaching ifnet instance 0xfffffe00587cb000 if_delmulti_locked: detaching ifnet instance 0xfffffe00587cb000