[ 2305.448348][T18148] br0: port 1(dummy0) entered blocking state
[ 2305.448665][T18148] br0: port 1(dummy0) entered disabled state
[ 2305.448946][T18148] dummy0: entered allmulticast mode
[ 2305.450546][T18148] dummy0: entered promiscuous mode
[ 2305.485248][T18149] br0: port 1(dummy0) entered blocking state
[ 2305.485638][T18149] br0: port 1(dummy0) entered forwarding state
[ 2308.022918][   T12] dummy0: left allmulticast mode
[ 2308.024002][   T12] dummy0: left promiscuous mode
[ 2308.024333][   T12] br0: port 1(dummy0) entered disabled state