[ 2233.464265][T11907] br0: port 1(dummy0) entered blocking state
[ 2233.464466][T11907] br0: port 1(dummy0) entered disabled state
[ 2233.464633][T11907] dummy0: entered allmulticast mode
[ 2233.465914][T11907] dummy0: entered promiscuous mode
[ 2233.499490][T11908] br0: port 1(dummy0) entered blocking state
[ 2233.499774][T11908] br0: port 1(dummy0) entered forwarding state
[ 2235.871967][   T71] dummy0: left allmulticast mode
[ 2235.874160][   T71] dummy0: left promiscuous mode
[ 2235.874458][   T71] br0: port 1(dummy0) entered disabled state