[ 2183.519864][T13815] br0: port 1(dummy0) entered blocking state
[ 2183.520190][T13815] br0: port 1(dummy0) entered disabled state
[ 2183.520481][T13815] dummy0: entered allmulticast mode
[ 2183.521559][T13815] dummy0: entered promiscuous mode
[ 2183.551830][T13816] br0: port 1(dummy0) entered blocking state
[ 2183.552348][T13816] br0: port 1(dummy0) entered forwarding state
[ 2186.067958][   T70] dummy0: left allmulticast mode
[ 2186.069577][   T70] dummy0: left promiscuous mode
[ 2186.070143][   T70] br0: port 1(dummy0) entered disabled state