[ 2050.978766][T10267] br0: port 1(dummy0) entered blocking state
[ 2050.979035][T10267] br0: port 1(dummy0) entered disabled state
[ 2050.979263][T10267] dummy0: entered allmulticast mode
[ 2050.980526][T10267] dummy0: entered promiscuous mode
[ 2051.008973][T10268] br0: port 1(dummy0) entered blocking state
[ 2051.009275][T10268] br0: port 1(dummy0) entered forwarding state
[ 2053.005205][   T12] dummy0: left allmulticast mode
[ 2053.005554][   T12] dummy0: left promiscuous mode
[ 2053.005832][   T12] br0: port 1(dummy0) entered disabled state