[ 2179.117871][T10573] br0: port 1(dummy0) entered blocking state
[ 2179.118064][T10573] br0: port 1(dummy0) entered disabled state
[ 2179.118235][T10573] dummy0: entered allmulticast mode
[ 2179.119071][T10573] dummy0: entered promiscuous mode
[ 2179.141632][T10574] br0: port 1(dummy0) entered blocking state
[ 2179.141816][T10574] br0: port 1(dummy0) entered forwarding state
[ 2181.247410][   T69] dummy0: left allmulticast mode
[ 2181.248159][   T69] dummy0: left promiscuous mode
[ 2181.248394][   T69] br0: port 1(dummy0) entered disabled state