[ 2069.916979][T13715] br0: port 1(dummy0) entered blocking state
[ 2069.917185][T13715] br0: port 1(dummy0) entered disabled state
[ 2069.917363][T13715] dummy0: entered allmulticast mode
[ 2069.918271][T13715] dummy0: entered promiscuous mode
[ 2069.941128][T13716] br0: port 1(dummy0) entered blocking state
[ 2069.941595][T13716] br0: port 1(dummy0) entered forwarding state
[ 2071.893170][   T70] dummy0: left allmulticast mode
[ 2071.893351][   T70] dummy0: left promiscuous mode
[ 2071.893562][   T70] br0: port 1(dummy0) entered disabled state