[ 2200.120414][T26916] br0: port 1(dummy0) entered blocking state
[ 2200.120578][T26916] br0: port 1(dummy0) entered disabled state
[ 2200.121242][T26916] dummy0: entered allmulticast mode
[ 2200.122193][T26916] dummy0: entered promiscuous mode
[ 2200.153605][T26917] br0: port 1(dummy0) entered blocking state
[ 2200.153953][T26917] br0: port 1(dummy0) entered forwarding state
[ 2202.513059][   T69] dummy0: left allmulticast mode
[ 2202.513974][   T69] dummy0: left promiscuous mode
[ 2202.514204][   T69] br0: port 1(dummy0) entered disabled state