Fix nhop_dmac in load-balance/s1-runtime.json (#619)

* Fix nhop_dmac in s1-runtime.json

* Update all MAC addresses in match-action tables

Author: stano45

exercises/load_balance/s1-runtime.json

@@ -30,7 +30,7 @@
       },
       "action_name": "MyIngress.set_nhop",
       "action_params": {
-        "nhop_dmac": "00:00:00:00:01:02",
+        "nhop_dmac": "08:00:00:00:02:02",
         "nhop_ipv4": "10.0.2.2",
         "port": 2
       }
@@ -42,7 +42,7 @@
       },
       "action_name": "MyIngress.set_nhop",
       "action_params": {
-        "nhop_dmac": "00:00:00:00:01:03",
+        "nhop_dmac": "08:00:00:00:03:03",
         "nhop_ipv4": "10.0.3.3",
         "port": 3
       }
@@ -54,7 +54,7 @@
       },
       "action_name": "MyEgress.rewrite_mac",
       "action_params": {
-        "smac": "00:00:00:01:02:00"
+        "smac": "08:00:00:00:01:00"
       }
     },
     {
@@ -64,7 +64,7 @@
       },
       "action_name": "MyEgress.rewrite_mac",
       "action_params": {
-        "smac": "00:00:00:01:03:00"
+        "smac": "08:00:00:00:01:00"
       }
     }
   ]

exercises/load_balance/s2-runtime.json

@@ -42,7 +42,7 @@
       },
       "action_name": "MyEgress.rewrite_mac",
       "action_params": {
-        "smac": "00:00:00:02:01:00"
+        "smac": "08:00:00:00:02:00"
       }
     }
   ]

exercises/load_balance/s3-runtime.json

@@ -42,7 +42,7 @@
       },
       "action_name": "MyEgress.rewrite_mac",
       "action_params": {
-        "smac": "00:00:00:03:01:00"
+        "smac": "08:00:00:00:03:00"
       }
     }
   ]