[ 2235.049925][T19089] br0: port 1(dummy0) entered blocking state
[ 2235.050290][T19089] br0: port 1(dummy0) entered disabled state
[ 2235.050645][T19089] dummy0: entered allmulticast mode
[ 2235.052514][T19089] dummy0: entered promiscuous mode
[ 2235.085406][T19090] br0: port 1(dummy0) entered blocking state
[ 2235.086011][T19090] br0: port 1(dummy0) entered forwarding state
[ 2237.602345][   T12] dummy0: left allmulticast mode
[ 2237.603660][   T12] dummy0: left promiscuous mode
[ 2237.604212][   T12] br0: port 1(dummy0) entered disabled state