Donald Hunter [off-list ref] writes:

+operations:
+  enum-model: directional
+  list:
+    -
+      name: newlink
+      doc: Create a new link.
+      attribute-set: link-attrs
+      fixed-header: ifinfomsg
+      do:
+        request:
+          value: 16
+          attributes:
+            - ifi-index
+    -
+      name: dellink
+      doc: Delete an existing link.
+      attribute-set: link-attrs
+      fixed-header: ifinfomsg
+      do:
+        request:
+          value: 16
+          attributes:
+            - ifi-index
+    -
+      name: getlink
+      doc: Get / dump information about a link.
+      attribute-set: link-attrs
+      fixed-header: ifinfomsg
+      do:
+        request:
+          value: 18
+          attributes:
+            - ifi-index
+        reply:
+          value: 16
+          attributes:
+            - ifi-index
+    -
+      name: setlink
+      doc: Set information about a link.
+      value: 19
+      attribute-set: link-attrs
+      fixed-header: ifinfomsg
+      do:
+        request:
+          attributes:
+            - ifname
+    -
+      name: getstats
+      doc: Get / dump link stats.
+      attribute-set: stats-attrs
+      fixed-header: if_stats_msg
+      dump:
+        request:
+          value: 94
+          attributes:
+            - ifindex
+        reply:
+          value: 92

The operations are missing detailed attribute lists. I'll fix in a v4.

+mcast-groups:
+  list:
+    -
+      name: rtnlgrp-link
+      value: 1