cloud-failover-01:~# LIBVIRT_DEBUG=1 virsh list
08:11:16.587: debug : virInitialize:339 : register drivers
08:11:16.587: debug : virRegisterDriver:941 : registering Test as driver 0
08:11:16.587: debug : virRegisterNetworkDriver:747 : registering Test as network driver 0
08:11:16.587: debug : virRegisterInterfaceDriver:778 : registering Test as interface driver 0
08:11:16.587: debug : virRegisterStorageDriver:809 : registering Test as storage driver 0
08:11:16.587: debug : virRegisterDeviceMonitor:840 : registering Test as device driver 0
08:11:16.587: debug : virRegisterSecretDriver:871 : registering Test as secret driver 0
08:11:16.587: debug : virRegisterNWFilterDriver:902 : registering Test as network filter driver 0
08:11:16.587: debug : virRegisterDriver:941 : registering remote as driver 1
08:11:16.587: debug : virRegisterNetworkDriver:747 : registering remote as network driver 1
08:11:16.587: debug : virRegisterInterfaceDriver:778 : registering remote as interface driver 1
08:11:16.587: debug : virRegisterStorageDriver:809 : registering remote as storage driver 1
08:11:16.587: debug : virRegisterDeviceMonitor:840 : registering remote as device driver 1
08:11:16.587: debug : virRegisterSecretDriver:871 : registering remote as secret driver 1
08:11:16.587: debug : virRegisterNWFilterDriver:902 : registering remote as network filter driver 1
08:11:16.587: debug : virConnectOpenAuth:1512 : name=(null), auth=0x7fa68aa42120, flags=0
08:11:16.587: debug : do_open:1220 : no name, allowing driver auto-select
08:11:16.587: debug : do_open:1257 : trying driver 0 (Test) ...
08:11:16.587: debug : do_open:1263 : driver 0 Test returned DECLINED
08:11:16.587: debug : do_open:1257 : trying driver 1 (remote) ...
08:11:16.587: debug : remoteOpen:1087 : Auto-probe remote URI
08:11:16.587: debug : doRemoteOpen:564 : proceeding with name = 
08:11:16.588: debug : remoteIO:10037 : Do proc=66 serial=0 length=28 wait=(nil)
08:11:16.588: debug : remoteIO:10112 : We have the buck 66 0x7fa6887dd010 0x7fa6887dd010