[ 1844.463543][ T9122] br0: port 1(dummy0) entered blocking state
[ 1844.463777][ T9122] br0: port 1(dummy0) entered disabled state
[ 1844.464433][ T9122] dummy0: entered allmulticast mode
[ 1844.465491][ T9122] dummy0: entered promiscuous mode
[ 1844.487789][ T9123] br0: port 1(dummy0) entered blocking state
[ 1844.488078][ T9123] br0: port 1(dummy0) entered forwarding state
[ 1846.369987][   T70] dummy0: left allmulticast mode
[ 1846.370321][   T70] dummy0: left promiscuous mode
[ 1846.370571][   T70] br0: port 1(dummy0) entered disabled state