[ 2200.202175][ T9645] br0: port 1(dummy0) entered blocking state
[ 2200.202442][ T9645] br0: port 1(dummy0) entered disabled state
[ 2200.202651][ T9645] dummy0: entered allmulticast mode
[ 2200.205855][ T9645] dummy0: entered promiscuous mode
[ 2200.240413][ T9646] br0: port 1(dummy0) entered blocking state
[ 2200.240844][ T9646] br0: port 1(dummy0) entered forwarding state
[ 2202.395334][   T69] dummy0: left allmulticast mode
[ 2202.397008][   T69] dummy0: left promiscuous mode
[ 2202.397242][   T69] br0: port 1(dummy0) entered disabled state