[ 2154.661492][T14419] br0: port 1(dummy0) entered blocking state
[ 2154.661797][T14419] br0: port 1(dummy0) entered disabled state
[ 2154.662087][T14419] dummy0: entered allmulticast mode
[ 2154.663072][T14419] dummy0: entered promiscuous mode
[ 2154.691438][T14420] br0: port 1(dummy0) entered blocking state
[ 2154.691751][T14420] br0: port 1(dummy0) entered forwarding state
[ 2157.144173][   T63] dummy0: left allmulticast mode
[ 2157.144596][   T63] dummy0: left promiscuous mode
[ 2157.144936][   T63] br0: port 1(dummy0) entered disabled state