[ 2265.785277][T12372] br0: port 1(dummy0) entered blocking state
[ 2265.785634][T12372] br0: port 1(dummy0) entered disabled state
[ 2265.786008][T12372] dummy0: entered allmulticast mode
[ 2265.787123][T12372] dummy0: entered promiscuous mode
[ 2265.815661][T12373] br0: port 1(dummy0) entered blocking state
[ 2265.816177][T12373] br0: port 1(dummy0) entered forwarding state
[ 2269.001732][   T12] dummy0: left allmulticast mode
[ 2269.002788][   T12] dummy0: left promiscuous mode
[ 2269.003142][   T12] br0: port 1(dummy0) entered disabled state