[ 2076.742139][T10207] br0: port 1(dummy0) entered blocking state
[ 2076.742360][T10207] br0: port 1(dummy0) entered disabled state
[ 2076.742534][T10207] dummy0: entered allmulticast mode
[ 2076.743542][T10207] dummy0: entered promiscuous mode
[ 2076.764755][T10208] br0: port 1(dummy0) entered blocking state
[ 2076.765051][T10208] br0: port 1(dummy0) entered forwarding state
[ 2078.707861][   T12] dummy0: left allmulticast mode
[ 2078.708151][   T12] dummy0: left promiscuous mode
[ 2078.708370][   T12] br0: port 1(dummy0) entered disabled state