[ 2184.886237][T22087] br0: port 1(dummy0) entered blocking state
[ 2184.886427][T22087] br0: port 1(dummy0) entered disabled state
[ 2184.886592][T22087] dummy0: entered allmulticast mode
[ 2184.887955][T22087] dummy0: entered promiscuous mode
[ 2184.912295][T22088] br0: port 1(dummy0) entered blocking state
[ 2184.912734][T22088] br0: port 1(dummy0) entered forwarding state
[ 2187.228712][   T12] dummy0: left allmulticast mode
[ 2187.229044][   T12] dummy0: left promiscuous mode
[ 2187.229276][   T12] br0: port 1(dummy0) entered disabled state