[ 1938.520060][T19088] br0: port 1(dummy0) entered blocking state
[ 1938.520256][T19088] br0: port 1(dummy0) entered disabled state
[ 1938.520433][T19088] dummy0: entered allmulticast mode
[ 1938.521362][T19088] dummy0: entered promiscuous mode
[ 1938.549702][T19089] br0: port 1(dummy0) entered blocking state
[ 1938.549973][T19089] br0: port 1(dummy0) entered forwarding state
[ 1940.664800][   T71] dummy0: left allmulticast mode
[ 1940.665153][   T71] dummy0: left promiscuous mode
[ 1940.665843][   T71] br0: port 1(dummy0) entered disabled state