[ 2189.426819][T14378] br0: port 1(dummy0) entered blocking state
[ 2189.427012][T14378] br0: port 1(dummy0) entered disabled state
[ 2189.427173][T14378] dummy0: entered allmulticast mode
[ 2189.428193][T14378] dummy0: entered promiscuous mode
[ 2189.456949][T14379] br0: port 1(dummy0) entered blocking state
[ 2189.457201][T14379] br0: port 1(dummy0) entered forwarding state
[ 2191.723726][   T71] dummy0: left allmulticast mode
[ 2191.724526][   T71] dummy0: left promiscuous mode
[ 2191.724765][   T71] br0: port 1(dummy0) entered disabled state