[ 2007.936541][ T4278] br0: port 1(dummy0) entered blocking state
[ 2007.936775][ T4278] br0: port 1(dummy0) entered disabled state
[ 2007.936960][ T4278] dummy0: entered allmulticast mode
[ 2007.937989][ T4278] dummy0: entered promiscuous mode
[ 2007.969380][ T4279] br0: port 1(dummy0) entered blocking state
[ 2007.969965][ T4279] br0: port 1(dummy0) entered forwarding state
[ 2009.937707][   T68] dummy0: left allmulticast mode
[ 2009.937994][   T68] dummy0: left promiscuous mode
[ 2009.938226][   T68] br0: port 1(dummy0) entered disabled state