[ 2144.081124][T17901] br0: port 1(dummy0) entered blocking state
[ 2144.081382][T17901] br0: port 1(dummy0) entered disabled state
[ 2144.081610][T17901] dummy0: entered allmulticast mode
[ 2144.082591][T17901] dummy0: entered promiscuous mode
[ 2144.103190][T17902] br0: port 1(dummy0) entered blocking state
[ 2144.103536][T17902] br0: port 1(dummy0) entered forwarding state
[ 2146.110620][T27275] dummy0: left allmulticast mode
[ 2146.110785][T27275] dummy0: left promiscuous mode
[ 2146.111000][T27275] br0: port 1(dummy0) entered disabled state