[ 1886.323052][ T9409] br0: port 1(dummy0) entered blocking state
[ 1886.323246][ T9409] br0: port 1(dummy0) entered disabled state
[ 1886.323412][ T9409] dummy0: entered allmulticast mode
[ 1886.324263][ T9409] dummy0: entered promiscuous mode
[ 1886.353885][ T9410] br0: port 1(dummy0) entered blocking state
[ 1886.354157][ T9410] br0: port 1(dummy0) entered forwarding state
[ 1888.329833][   T69] dummy0: left allmulticast mode
[ 1888.330507][   T69] dummy0: left promiscuous mode
[ 1888.330740][   T69] br0: port 1(dummy0) entered disabled state