[ 2307.910023][T23381] br0: port 1(dummy0) entered blocking state
[ 2307.910325][T23381] br0: port 1(dummy0) entered disabled state
[ 2307.910600][T23381] dummy0: entered allmulticast mode
[ 2307.911714][T23381] dummy0: entered promiscuous mode
[ 2307.944102][T23382] br0: port 1(dummy0) entered blocking state
[ 2307.944583][T23382] br0: port 1(dummy0) entered forwarding state
[ 2310.404553][   T12] dummy0: left allmulticast mode
[ 2310.405320][   T12] dummy0: left promiscuous mode
[ 2310.405650][   T12] br0: port 1(dummy0) entered disabled state