[ 2069.594292][T28799] br0: port 1(dummy0) entered blocking state
[ 2069.595016][T28799] br0: port 1(dummy0) entered disabled state
[ 2069.595180][T28799] dummy0: entered allmulticast mode
[ 2069.596034][T28799] dummy0: entered promiscuous mode
[ 2069.618285][T28800] br0: port 1(dummy0) entered blocking state
[ 2069.618510][T28800] br0: port 1(dummy0) entered forwarding state
[ 2071.551214][   T68] dummy0: left allmulticast mode
[ 2071.552147][   T68] dummy0: left promiscuous mode
[ 2071.552392][   T68] br0: port 1(dummy0) entered disabled state