Public bug reported:
If a libvirt network is set to autostart and upon boot there is an issue
starting the network, the file located at
/run/libvirt/network/autostarted is not removed. Thus, the network will
never autostart again if the libvirt service is restarted. This was
observed due to the network being a SRIOV interface and the VFs were not
created before libvirt tried to autostart the network. However, even
after the VFs are created, the network won't autostart upon restarting
the service but will start with 'virsh net-start'. If you delete the
file and restart the service then it works as intended.
Here is an example of the debug log:
2025-01-16 19:54:15.201+0000: 2537: debug : virDriverShouldAutostart:99 :
Autostart file /run/libvirt/network/autostarted does not exist, do autostart
2025-01-16 19:54:15.201+0000: 2537: debug : networkStartNetwork:2305 :
driver=0x7f9f800246e0, network=0x7f9f80014d00
2025-01-16 19:54:15.201+0000: 2537: debug : networkStartNetwork:2313 :
Beginning network startup process
2025-01-16 19:54:15.202+0000: 2537: debug : networkStartNetwork:2317 : Setting
current network def as transient
2025-01-16 19:54:15.202+0000: 2537: debug : virPCIGetVirtualFunctionsFull:2403
: Found 0 virtual functions for /sys/class/net/ens35f1/device
2025-01-16 19:54:15.202+0000: 2537: error : networkCreateInterfacePool:2250 :
internal error: No usable Vf's present on SRIOV PF ens35f1
2025-01-16 19:54:15.202+0000: 2537: info : networkShutdownNetwork:2405 :
Shutting down network 'n0_eth1'
There should be a failback mechanism that removes the
/run/libvirt/network/autostarted file if an error is encountered.
lsb_release -rd
Description: Ubuntu 22.04.3 LTS
Release: 22.04
dpkg -l | grep libvirt
ii libvirt-clients 8.0.0-1ubuntu7.10
amd64 Programs for the libvirt library
ii libvirt-daemon 8.0.0-1ubuntu7.10
amd64 Virtualization daemon
ii libvirt-daemon-config-network 8.0.0-1ubuntu7.10
all Libvirt daemon configuration files (default network)
ii libvirt-daemon-config-nwfilter 8.0.0-1ubuntu7.10
all Libvirt daemon configuration files (default network filters)
ii libvirt-daemon-driver-qemu 8.0.0-1ubuntu7.10
amd64 Virtualization daemon QEMU connection driver
ii libvirt-daemon-system 8.0.0-1ubuntu7.10
amd64 Libvirt daemon configuration files
ii libvirt-daemon-system-systemd 8.0.0-1ubuntu7.10
all Libvirt daemon configuration files (systemd)
ii libvirt-glib-1.0-0:amd64 4.0.0-2
amd64 libvirt GLib and GObject mapping library
ii libvirt-glib-1.0-data 4.0.0-2
all Common files for libvirt GLib library
ii libvirt0:amd64 8.0.0-1ubuntu7.10
amd64 library for interfacing with different virtualization systems
ii python3-libvirt 8.0.0-1build1
amd64 libvirt Python 3 bindings
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2095127
Title:
The file in /run/libvirt/network/autostarted isn't removed if
autostart fails.
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