[ 2405.574961][T31512] br0: port 1(dummy0) entered blocking state
[ 2405.575258][T31512] br0: port 1(dummy0) entered disabled state
[ 2405.575529][T31512] dummy0: entered allmulticast mode
[ 2405.576531][T31512] dummy0: entered promiscuous mode
[ 2405.602299][T31513] br0: port 1(dummy0) entered blocking state
[ 2405.602890][T31513] br0: port 1(dummy0) entered forwarding state
[ 2408.009454][   T12] dummy0: left allmulticast mode
[ 2408.011413][   T12] dummy0: left promiscuous mode
[ 2408.011964][   T12] br0: port 1(dummy0) entered disabled state