Nnmstate limitations:
- "may-fail" not supported: https://bugzilla.redhat.com/show_bug.cgi?id=2082042
- "dhcp-client-id" not supported: https://bugzilla.redhat.com/show_bug.cgi?id=2082043
- "dhcp-duid" not supported: https://bugzilla.redhat.com/show_bug.cgi?id=2082044
- "addr-gen-mode" not supported: https://bugzilla.redhat.com/show_bug.cgi?id=2082045
- failed deleting ovs bridge: https://bugzilla.redhat.com/show_bug.cgi?id=2082034: