[ 2217.826424][T26317] br0: port 1(dummy0) entered blocking state
[ 2217.826646][T26317] br0: port 1(dummy0) entered disabled state
[ 2217.826854][T26317] dummy0: entered allmulticast mode
[ 2217.827881][T26317] dummy0: entered promiscuous mode
[ 2217.851003][T26318] br0: port 1(dummy0) entered blocking state
[ 2217.851234][T26318] br0: port 1(dummy0) entered forwarding state
[ 2220.117897][   T12] dummy0: left allmulticast mode
[ 2220.118850][   T12] dummy0: left promiscuous mode
[ 2220.119150][   T12] br0: port 1(dummy0) entered disabled state