qa_crowbarsetup: enable jumbo frames on admin net
qa_crowbarsetup: enable jumbo frames on admin net

but not nova_fixed which would need other fixes

aspiers/automation,gosipyan/automation,aspiers/automation,aspiers/automation,gosipyan/automation,vmoravec/automation,vmoravec/automation,gosipyan/automation,SUSE-Cloud/automation,gosipyan/automation,SUSE-Cloud/automation,aspiers/automation,vmoravec/automation,vmoravec/automation,SUSE-Cloud/automation,SUSE-Cloud/automation