[ 2288.903660][T26383] br0: port 1(dummy0) entered blocking state
[ 2288.904006][T26383] br0: port 1(dummy0) entered disabled state
[ 2288.904737][T26383] dummy0: entered allmulticast mode
[ 2288.905797][T26383] dummy0: entered promiscuous mode
[ 2288.932576][T26384] br0: port 1(dummy0) entered blocking state
[ 2288.932871][T26384] br0: port 1(dummy0) entered forwarding state
[ 2291.456091][   T12] dummy0: left allmulticast mode
[ 2291.456386][   T12] dummy0: left promiscuous mode
[ 2291.456712][   T12] br0: port 1(dummy0) entered disabled state