[ 1924.484986][T15701] br0: port 1(dummy0) entered blocking state
[ 1924.485185][T15701] br0: port 1(dummy0) entered disabled state
[ 1924.485350][T15701] dummy0: entered allmulticast mode
[ 1924.486685][T15701] dummy0: entered promiscuous mode
[ 1924.509495][T15702] br0: port 1(dummy0) entered blocking state
[ 1924.509848][T15702] br0: port 1(dummy0) entered forwarding state
[ 1926.489761][   T12] dummy0: left allmulticast mode
[ 1926.490369][   T12] dummy0: left promiscuous mode
[ 1926.490611][   T12] br0: port 1(dummy0) entered disabled state