Add comment to clarify modification made by ONOS.
diff --git a/src/main/java/net/floodlightcontroller/core/internal/RoleChanger.java b/src/main/java/net/floodlightcontroller/core/internal/RoleChanger.java
index b2de649..4924fbc 100644
--- a/src/main/java/net/floodlightcontroller/core/internal/RoleChanger.java
+++ b/src/main/java/net/floodlightcontroller/core/internal/RoleChanger.java
@@ -277,8 +277,9 @@
// Handle cases #1 and #2
log.debug("Sending NxRoleRequest to {}", sw);
sw.sendNxRoleRequest(role, cookie);
- } else {
+ } else {
if (role == Role.MASTER) {
+ // ONOS extension:
log.debug("Switch {} doesn't support NxRoleRequests, but sending " +
"{} request anyway", sw, role);
//Send the role request anyway, even though we know the switch