[ 2228.241747][T13142] br0: port 1(dummy0) entered blocking state
[ 2228.242317][T13142] br0: port 1(dummy0) entered disabled state
[ 2228.242537][T13142] dummy0: entered allmulticast mode
[ 2228.243466][T13142] dummy0: entered promiscuous mode
[ 2228.270670][T13143] br0: port 1(dummy0) entered blocking state
[ 2228.270922][T13143] br0: port 1(dummy0) entered forwarding state
[ 2230.254752][   T69] dummy0: left allmulticast mode
[ 2230.255468][   T69] dummy0: left promiscuous mode
[ 2230.255705][   T69] br0: port 1(dummy0) entered disabled state