vr: create tables before applying egress iptables rules

This fixes the issue that post-upgrade egress rules are not applied
on VR, restarting the network with cleanup used to be the workaround.

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

Author: yadvr

systemvm/debian/opt/cloud/bin/configure.py

@@ -957,6 +957,7 @@ def process(self):
         acls.process()
 
         acls = CsAcl('firewallrules', self.config)
+        acls.flushAllowAllEgressRules()
         acls.process()
 
         fwd = CsForwardingRules("forwardingrules", self.config)