I couldn't use the command apport-collect 1812822
root@****:~# apport-collect 1812822 ERROR: The python-launchpadlib package is not installed. This functionality is not available. root@****:~# apt install python-launchpadlib -y Reading package lists... Done Building dependency tree Reading state information... Done python-launchpadlib is already the newest version (1.10.3-3ubuntu0.1). 0 upgraded, 0 newly installed, 0 to remove and 41 not upgraded. root@****:~# dpkg -l python-launchpadlib Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-=================-=============-=============-======================================== ii python-launchpadl 1.10.3-3ubunt all Launchpad web services client library There's the guest log under /var/log/libvirt/qemu/kvm.log 2019-01-31 10:52:55.667+0000: starting up libvirt version: 4.0.0, package: 1ubuntu8.5~cloud0 (Openstack Ubuntu Testing Bot <openstack-testing-...@ubuntu.com> Fri, 07 Sep 2018 04:25:04 +0000), qemu version: 2.11.1(Debian 1:2.11+dfsg-1ubuntu7.5~cloud0), hostname: zfwcec178.boeblingen.de.ibm.com LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin QEMU_AUDIO_DRV=none /usr/bin/qemu-system-s390x -name guest=kvm,debug-threads=on -S -object secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-36-kvm/master-key.aes -machine s390-ccw-virtio-bionic,accel=kvm,usb=off,dump-guest-core=off -m 512 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid 59f71b47-16e4-401d-9d33-30bc1605a84a -display none -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-36-kvm/monitor.sock,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -boot strict=on -drive file=/root/xenial-minimal.qcow2,format=qcow2,if=none,id=drive-virtio-disk0,cache=none -device virtio-blk-ccw,scsi=off,devno=fe.0.0000,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -chardev pty,id=charconsole0 -device sclpconsole,chardev=charconsole0,id=console0 -device virtio-balloon-ccw,id=balloon0,devno=fe.0.0001 -msg timestamp=on 2019-01-31 10:52:55.667+0000: Domain id=36 is tainted: high-privileges 2019-01-31T10:52:55.749009Z qemu-system-s390x: -chardev pty,id=charconsole0: char device redirected to /dev/pts/1 (label charconsole0) TUNSETVNETLE ioctl() failed: File descriptor in bad state. 2019-01-31 10:57:29.694+0000: shutting down, reason=crashed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1812822 Title: Guest crashed when detaching the ovs interface device To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1812822/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs