[ 2004.767845][T19225] br0: port 1(dummy0) entered blocking state
[ 2004.768037][T19225] br0: port 1(dummy0) entered disabled state
[ 2004.768201][T19225] dummy0: entered allmulticast mode
[ 2004.769066][T19225] dummy0: entered promiscuous mode
[ 2004.798305][T19226] br0: port 1(dummy0) entered blocking state
[ 2004.798521][T19226] br0: port 1(dummy0) entered forwarding state
[ 2006.813049][   T68] dummy0: left allmulticast mode
[ 2006.813234][   T68] dummy0: left promiscuous mode
[ 2006.813606][   T68] br0: port 1(dummy0) entered disabled state