Fix bugs from fabric.p4

 - Incorrect selector for hashed table
 - Incorrect counter type for port counter

Change-Id: I04af95bfbb17b9ca407313b3b3bfdfa9efbf1fa4
diff --git a/pipelines/fabric/src/main/resources/include/control/next.p4 b/pipelines/fabric/src/main/resources/include/control/next.p4
index e0ebbe8..c76fc65 100644
--- a/pipelines/fabric/src/main/resources/include/control/next.p4
+++ b/pipelines/fabric/src/main/resources/include/control/next.p4
@@ -103,8 +103,8 @@
     table hashed {
         key = {
             fabric_metadata.next_id: exact;
-            hdr.ethernet.dst_addr: selector;
-            hdr.ethernet.src_addr: selector;
+            hdr.ipv4.dst_addr: selector;
+            hdr.ipv4.src_addr: selector;
             fabric_metadata.ip_proto: selector;
             fabric_metadata.l4_src_port: selector;
             fabric_metadata.l4_dst_port: selector;