have found the cause..migration goes well


-------- Forwarding messages --------
From: "Tony Gong" <gong790802715@163.com>
Date: 2013-11-26 09:15:08
To: libvirt-users@redhat.com
Subject: Migration errors
hi everyone:
when I exc command: virsh migrate --live --unsafe --persistent --undefinesource --verbose winxp32 qemu+ssh://192.168.20.149/system tcp://192.168.20.149:16000
or 
virsh migrate --live --unsafe --persistent --verbose winxp32 qemu+ssh://192.168.20.149/system tcp://192.168.20.149:16000
some errors output:
1.Migration: error: Domain not found: no domain with matching name 'VM-****'

2.Migration: error: Requested operation is not valid: domain 'VM-***' is not processing incoming migrtion

3.Migration: error: Unable to read from monitor: Connection reset by peer
   :i think it is that connection broken:modles restart,FW destroy the connection 

4.Migration: error: operation failed: domain is no longer running 

5.warning: virGetHostname:2265: getaddrinfo failed for 'nc02':Temporary failure in name resolution