Fix bug of detecting live migration
Merge pull request #94 from powerist/fixmigration

Fix bug of detecting live migration
Add log for handle migration and raise an error if unknown migration
Merge pull request #95 from changbl/working

Add logger info for handle migration and comment out an impossible case
Change how rpc_manager is constructed
Merge pull request #97 from powerist/rpcswitch

Change how rpc_manager is constructed
Fix RPCManager cls method bug
Merge pull request #98 from changbl/working

Fix RPCManager cls method bug
Fix InceptionPacket: Failure when calling dhcp.__len__
Merge pull request #99 from powerist/packet

Fix InceptionPacket: Failure when calling dhcp.__len__
Fix dhcp handling bug
Merge pull request #100 from powerist/packet

Fix dhcp handling bug
Failover with zookeeper