[ 2150.973717][T25786] br0: port 1(dummy0) entered blocking state
[ 2150.973908][T25786] br0: port 1(dummy0) entered disabled state
[ 2150.974064][T25786] dummy0: entered allmulticast mode
[ 2150.974932][T25786] dummy0: entered promiscuous mode
[ 2151.006384][T25787] br0: port 1(dummy0) entered blocking state
[ 2151.006568][T25787] br0: port 1(dummy0) entered forwarding state
[ 2152.873177][   T12] dummy0: left allmulticast mode
[ 2152.873369][   T12] dummy0: left promiscuous mode
[ 2152.873731][   T12] br0: port 1(dummy0) entered disabled state