[ 2315.616858][T15105] br0: port 1(dummy0) entered blocking state
[ 2315.617625][T15105] br0: port 1(dummy0) entered disabled state
[ 2315.617792][T15105] dummy0: entered allmulticast mode
[ 2315.618840][T15105] dummy0: entered promiscuous mode
[ 2315.648576][T15106] br0: port 1(dummy0) entered blocking state
[ 2315.648849][T15106] br0: port 1(dummy0) entered forwarding state
[ 2317.921779][   T12] dummy0: left allmulticast mode
[ 2317.922699][   T12] dummy0: left promiscuous mode
[ 2317.922955][   T12] br0: port 1(dummy0) entered disabled state