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DescriptionStrahil Nikolov
2021-03-27 17:19:14 UTC
Description of problem:
Libvirt is using iptables commands that fail and they mess with other output.
Version-Release number of selected component (if applicable):
libvirt-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-bash-completion-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-client-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-config-network-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-config-nwfilter-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-interface-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-network-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-nodedev-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-nwfilter-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-qemu-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-secret-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-storage-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-storage-core-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-storage-disk-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-storage-gluster-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-storage-iscsi-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-storage-iscsi-direct-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-storage-logical-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-storage-mpath-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-storage-rbd-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-driver-storage-scsi-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-daemon-kvm-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
libvirt-dbus-1.3.0-2.module+el8.3.0+6423+e4cb6418.x86_64
libvirt-glib-3.0.0-1.el8.x86_64
libvirt-libs-6.0.0-28.module+el8.3.0+7827+5e65edd7.x86_64
python3-libvirt-6.0.0-1.module+el8.3.0+6423+e4cb6418.x86_64
How reproducible:
Always
Steps to Reproduce:
1.Install 'Virtualization Host' group and cockpit-machines
2.Start libvirt
3.Create a network via cockpit
4.Update a static entry for the DHCP server
Actual results:
[root@rhel8 ~]# virsh net-update nat1 add ip-dhcp-host "<host mac='52:54:00:10:d4:42' name='sles15' ip='192.168.100.221' />" --live --config
error: Failed to update network nat1
error: COMMAND_FAILED: '/usr/sbin/iptables -w10 -w --table filter --insert LIBVIRT_INP --in-interface virbr0 --protocol tcp --destination-port 67 --jump ACCEPT' failed: iptables: No chain/target/match by that name.
Expected results:
No errors should be generated.
Additional info:
Reinstalling libvirt module fixed the issue (this time I used the default network):
# virsh net-update default add ip-dhcp-host "<host mac='52:54:00:b4:df:94' name='sles15' ip='192.168.100.151' />" --live --config
Updated network default persistent config and live state
Seems that it's not a libvirt issue after all.
Actually you are seeing Bug 1942805 (which I cloned from the year-old Fedora Bug 1813830 just a couple days ago when I realized standard RHEL8 is now using a libvirt version new enough to have the bug, but not new enough to have the fix (and it wasn't backported). It happens if firewalld is restarted while libvirtd.service is enabled and running. The workaround is that if you restart firewalld.service, just restart libvirtd.service right after that. See Bug 1942805 for more details.
*** This bug has been marked as a duplicate of bug 1942805 ***