[ 1813.967189][T23367] br0: port 1(dummy0) entered blocking state
[ 1813.967397][T23367] br0: port 1(dummy0) entered disabled state
[ 1813.967573][T23367] dummy0: entered allmulticast mode
[ 1813.968490][T23367] dummy0: entered promiscuous mode
[ 1813.993838][T23368] br0: port 1(dummy0) entered blocking state
[ 1813.994165][T23368] br0: port 1(dummy0) entered forwarding state
[ 1815.742901][   T12] dummy0: left allmulticast mode
[ 1815.743604][   T12] dummy0: left promiscuous mode
[ 1815.743875][   T12] br0: port 1(dummy0) entered disabled state