1969/12/31 16:07:37 SYZFATAL: executor 0 failed 11 times: executor 0: not serving ifconfig: tap0: SIOCIFDESTROY: Device not configured ifconfig: SIOCAIFADDR: File exists SYZFAIL: command failed command=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin ifconfig tap0 inet 172.20.0.170 netmask 255.255.255.0: 256 (errno 2: No such file or directory)