[ 2127.578407][T14177] br0: port 1(dummy0) entered blocking state
[ 2127.578653][T14177] br0: port 1(dummy0) entered disabled state
[ 2127.578876][T14177] dummy0: entered allmulticast mode
[ 2127.579971][T14177] dummy0: entered promiscuous mode
[ 2127.611918][T14178] br0: port 1(dummy0) entered blocking state
[ 2127.612178][T14178] br0: port 1(dummy0) entered forwarding state
[ 2130.069155][   T12] dummy0: left allmulticast mode
[ 2130.069936][   T12] dummy0: left promiscuous mode
[ 2130.070189][   T12] br0: port 1(dummy0) entered disabled state