Error on starting VM: can't connect to virtlogd: Unable to open system token /run/libvirt/common/system.token: Permission denied.

Issue

• VM's are unable to start with following error in /var/log/vdsm/vdsm.log.

2022-02-16 12:43:25,872+0100 ERROR (vm/xxxxxxxx) [virt.vm] (vmId='xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx') The vm start process failed (vm:992)
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/vdsm/virt/vm.py", line 919, in _startUnderlyingVm
    self._run()
  File "/usr/lib/python3.6/site-packages/vdsm/virt/vm.py", line 2967, in _run
    dom.createWithFlags(flags)
  File "/usr/lib/python3.6/site-packages/vdsm/common/libvirtconnection.py", line 131, in wrapper
    ret = f(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/vdsm/common/function.py", line 94, in wrapper
    return func(inst, *args, **kwargs)
  File "/usr/lib64/python3.6/site-packages/libvirt.py", line 1265, in createWithFlags
    present, an error is thrown. This flag is incompatible with
libvirt.libvirtError: can't connect to virtlogd: Unable to open system token /run/libvirt/common/system.token: Permission denied