[ 2142.560188][T14832] br0: port 1(dummy0) entered blocking state
[ 2142.560422][T14832] br0: port 1(dummy0) entered disabled state
[ 2142.560601][T14832] dummy0: entered allmulticast mode
[ 2142.561626][T14832] dummy0: entered promiscuous mode
[ 2142.585545][T14833] br0: port 1(dummy0) entered blocking state
[ 2142.585798][T14833] br0: port 1(dummy0) entered forwarding state
[ 2144.627724][   T12] dummy0: left allmulticast mode
[ 2144.628034][   T12] dummy0: left promiscuous mode
[ 2144.628262][   T12] br0: port 1(dummy0) entered disabled state