[ 2293.094138][T10493] br0: port 1(dummy0) entered blocking state
[ 2293.094451][T10493] br0: port 1(dummy0) entered disabled state
[ 2293.094740][T10493] dummy0: entered allmulticast mode
[ 2293.095850][T10493] dummy0: entered promiscuous mode
[ 2293.136732][T10494] br0: port 1(dummy0) entered blocking state
[ 2293.137298][T10494] br0: port 1(dummy0) entered forwarding state
[ 2295.611072][   T69] dummy0: left allmulticast mode
[ 2295.611461][   T69] dummy0: left promiscuous mode
[ 2295.611815][   T69] br0: port 1(dummy0) entered disabled state