[ 2067.363471][T15063] br0: port 1(dummy0) entered blocking state
[ 2067.363710][T15063] br0: port 1(dummy0) entered disabled state
[ 2067.363924][T15063] dummy0: entered allmulticast mode
[ 2067.365634][T15063] dummy0: entered promiscuous mode
[ 2067.393599][T15064] br0: port 1(dummy0) entered blocking state
[ 2067.393852][T15064] br0: port 1(dummy0) entered forwarding state
[ 2069.319773][   T67] dummy0: left allmulticast mode
[ 2069.320945][   T67] dummy0: left promiscuous mode
[ 2069.321243][   T67] br0: port 1(dummy0) entered disabled state