[ 2211.356854][T28541] br0: port 1(dummy0) entered blocking state
[ 2211.357204][T28541] br0: port 1(dummy0) entered disabled state
[ 2211.357530][T28541] dummy0: entered allmulticast mode
[ 2211.359116][T28541] dummy0: entered promiscuous mode
[ 2211.392914][T28542] br0: port 1(dummy0) entered blocking state
[ 2211.393219][T28542] br0: port 1(dummy0) entered forwarding state
[ 2213.880087][   T70] dummy0: left allmulticast mode
[ 2213.880945][   T70] dummy0: left promiscuous mode
[ 2213.881530][   T70] br0: port 1(dummy0) entered disabled state