[ 2067.726585][T19439] br0: port 1(dummy0) entered blocking state
[ 2067.727326][T19439] br0: port 1(dummy0) entered disabled state
[ 2067.727545][T19439] dummy0: entered allmulticast mode
[ 2067.728507][T19439] dummy0: entered promiscuous mode
[ 2067.751689][T19440] br0: port 1(dummy0) entered blocking state
[ 2067.751919][T19440] br0: port 1(dummy0) entered forwarding state
[ 2069.698730][   T68] dummy0: left allmulticast mode
[ 2069.699010][   T68] dummy0: left promiscuous mode
[ 2069.699216][   T68] br0: port 1(dummy0) entered disabled state