[ 2195.618144][T21494] br0: port 1(dummy0) entered blocking state
[ 2195.618325][T21494] br0: port 1(dummy0) entered disabled state
[ 2195.618489][T21494] dummy0: entered allmulticast mode
[ 2195.619359][T21494] dummy0: entered promiscuous mode
[ 2195.642659][T21495] br0: port 1(dummy0) entered blocking state
[ 2195.643231][T21495] br0: port 1(dummy0) entered forwarding state
[ 2197.598647][   T69] dummy0: left allmulticast mode
[ 2197.599636][   T69] dummy0: left promiscuous mode
[ 2197.599899][   T69] br0: port 1(dummy0) entered disabled state