[ 2186.865170][T25814] br0: port 1(dummy0) entered blocking state
[ 2186.865383][T25814] br0: port 1(dummy0) entered disabled state
[ 2186.865587][T25814] dummy0: entered allmulticast mode
[ 2186.866512][T25814] dummy0: entered promiscuous mode
[ 2186.890687][T25815] br0: port 1(dummy0) entered blocking state
[ 2186.891339][T25815] br0: port 1(dummy0) entered forwarding state
[ 2189.247906][   T12] dummy0: left allmulticast mode
[ 2189.248882][   T12] dummy0: left promiscuous mode
[ 2189.249242][   T12] br0: port 1(dummy0) entered disabled state