[ 2212.842721][T30242] br0: port 1(dummy0) entered blocking state
[ 2212.842945][T30242] br0: port 1(dummy0) entered disabled state
[ 2212.843167][T30242] dummy0: entered allmulticast mode
[ 2212.844438][T30242] dummy0: entered promiscuous mode
[ 2212.874986][T30243] br0: port 1(dummy0) entered blocking state
[ 2212.875165][T30243] br0: port 1(dummy0) entered forwarding state
[ 2214.868383][   T68] dummy0: left allmulticast mode
[ 2214.868577][   T68] dummy0: left promiscuous mode
[ 2214.868801][   T68] br0: port 1(dummy0) entered disabled state