Revert "[fpmsyncd] Skip routes to eth0 or docker0 (#1606)"

This reverts commit 901e2ef.

fpmsyncd/routesync.cpp

@@ -168,21 +168,6 @@ void RouteSync::onRouteMsg(int nlmsg_type, struct nl_object *obj, char *vrf)
     string nexthops = getNextHopGw(route_obj);
     string ifnames = getNextHopIf(route_obj);
 
-    vector<string> alsv = tokenize(ifnames, ',');
-    for (auto alias : alsv)
-    {
-        /*
-         * An FRR behavior change from 7.2 to 7.5 makes FRR update default route to eth0 in interface
-         * up/down events. Skipping routes to eth0 or docker0 to avoid such behavior
-         */
-        if (alias == "eth0" || alias == "docker0")
-        {
-            SWSS_LOG_NOTICE("Skip routes to eth0 or docker0: %s %s %s",
-                    destipprefix, nexthops.c_str(), ifnames.c_str());
-            return;
-        }
-    }
-
     vector<FieldValueTuple> fvVector;
     FieldValueTuple nh("nexthop", nexthops);
     FieldValueTuple idx("ifname", ifnames);