[ 2097.678017][T30654] br0: port 1(dummy0) entered blocking state
[ 2097.678379][T30654] br0: port 1(dummy0) entered disabled state
[ 2097.678705][T30654] dummy0: entered allmulticast mode
[ 2097.679877][T30654] dummy0: entered promiscuous mode
[ 2097.707274][T30655] br0: port 1(dummy0) entered blocking state
[ 2097.707807][T30655] br0: port 1(dummy0) entered forwarding state
[ 2100.148202][   T70] dummy0: left allmulticast mode
[ 2100.148889][   T70] dummy0: left promiscuous mode
[ 2100.150976][   T70] br0: port 1(dummy0) entered disabled state