[ 2124.696782][T19926] br0: port 1(dummy0) entered blocking state
[ 2124.697099][T19926] br0: port 1(dummy0) entered disabled state
[ 2124.697382][T19926] dummy0: entered allmulticast mode
[ 2124.698510][T19926] dummy0: entered promiscuous mode
[ 2124.726534][T19927] br0: port 1(dummy0) entered blocking state
[ 2124.727287][T19927] br0: port 1(dummy0) entered forwarding state
[ 2127.219621][   T70] dummy0: left allmulticast mode
[ 2127.220203][   T70] dummy0: left promiscuous mode
[ 2127.220529][   T70] br0: port 1(dummy0) entered disabled state