[ 2373.645053][T26907] br0: port 1(dummy0) entered blocking state
[ 2373.645373][T26907] br0: port 1(dummy0) entered disabled state
[ 2373.645667][T26907] dummy0: entered allmulticast mode
[ 2373.646703][T26907] dummy0: entered promiscuous mode
[ 2373.682725][T26908] br0: port 1(dummy0) entered blocking state
[ 2373.683591][T26908] br0: port 1(dummy0) entered forwarding state
[ 2376.212107][   T12] dummy0: left allmulticast mode
[ 2376.213085][   T12] dummy0: left promiscuous mode
[ 2376.213442][   T12] br0: port 1(dummy0) entered disabled state