[ 2027.745690][T29861] br0: port 1(dummy0) entered blocking state
[ 2027.745877][T29861] br0: port 1(dummy0) entered disabled state
[ 2027.746038][T29861] dummy0: entered allmulticast mode
[ 2027.746980][T29861] dummy0: entered promiscuous mode
[ 2027.780524][T29862] br0: port 1(dummy0) entered blocking state
[ 2027.780770][T29862] br0: port 1(dummy0) entered forwarding state
[ 2029.722983][   T72] dummy0: left allmulticast mode
[ 2029.723304][   T72] dummy0: left promiscuous mode
[ 2029.723565][   T72] br0: port 1(dummy0) entered disabled state