[ 1999.077581][ T7044] br0: port 1(dummy0) entered blocking state
[ 1999.078418][ T7044] br0: port 1(dummy0) entered disabled state
[ 1999.078651][ T7044] dummy0: entered allmulticast mode
[ 1999.079567][ T7044] dummy0: entered promiscuous mode
[ 1999.106880][ T7045] br0: port 1(dummy0) entered blocking state
[ 1999.107739][ T7045] br0: port 1(dummy0) entered forwarding state
[ 2001.045980][   T65] dummy0: left allmulticast mode
[ 2001.047908][   T65] dummy0: left promiscuous mode
[ 2001.048178][   T65] br0: port 1(dummy0) entered disabled state