tests/yanglint/data/modaction_nc.xml

<rpc message-id="101"
     xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
  <action xmlns="urn:ietf:params:xml:ns:yang:1">
    <con xmlns="urn:yanglint:modaction">
      <ls>
        <lfkey>kv</lfkey>
        <act>
          <lfi>some_input</lfi>
        </act>
      </ls>
    </con>
  </action>
</rpc>