[ 2206.780901][T19542] br0: port 1(dummy0) entered blocking state
[ 2206.781200][T19542] br0: port 1(dummy0) entered disabled state
[ 2206.781476][T19542] dummy0: entered allmulticast mode
[ 2206.782463][T19542] dummy0: entered promiscuous mode
[ 2206.816381][T19543] br0: port 1(dummy0) entered blocking state
[ 2206.816686][T19543] br0: port 1(dummy0) entered forwarding state
[ 2209.294436][   T69] dummy0: left allmulticast mode
[ 2209.294721][   T69] dummy0: left promiscuous mode
[ 2209.295029][   T69] br0: port 1(dummy0) entered disabled state