SYZFAIL: tun: read failed (errno 19: Operation not supported by device) SYZFAIL: child failed (errno 0: No error: 0) Apr 23 03:06:38 if_delmulti_locked: detaching ifnet instance 0xfffff80004786800 ci-freebsd-main-if_delmulti_locked: detaching ifnet instance 0xfffff80004786800 6 dhclient[15633if_delmulti_locked: detaching ifnet instance 0xfffff80004786800 ]: Interface tap0 is down, dhclient exiting FreeBSD/amd64 (ci-freebsd-main-6.c.syzkaller.internal) (ttyu0) login: Apr 23 03:06:38 ci-freebsd-main-6 dhclient[15633if_delmulti_locked: detaching ifnet instance 0xfffff80032ff4000 ]: connection clif_delmulti_locked: detaching ifnet instance 0xfffff80032ff4000 osed Apr 23 03:06:38 ci-freebsd-main-6 dhclientif_delmulti_locked: detaching ifnet instance 0xfffff80032ff4000 [15633]: exiting. Apr 23 03:06:38 ci-freebsd-main-6 dhclient[5089]: Interface tap3 is down, dhclient exiting Apr 23 03:06:38 ci-freebsd-main-6 dhclient[5089]: connection closed Apr 23 03:06:38 ci-freebsd-main-6 dhclient[5089]: exiting.