SymptomsOnline migration of a container fails.
The similar error message is observed in vzmigrate output:
vztestcaps : Error: Destination cpu does not have CAPABILITY
CauseOnline migration is not possible between hosts with different CPU features set.
Destination host must have all those features which are present on source host.
ResolutionUse offline migration instead online.
If migrating via command-line interface omit --online option.