[ 2124.796092][T15490] br0: port 1(dummy0) entered blocking state
[ 2124.796415][T15490] br0: port 1(dummy0) entered disabled state
[ 2124.796717][T15490] dummy0: entered allmulticast mode
[ 2124.797725][T15490] dummy0: entered promiscuous mode
[ 2124.829710][T15491] br0: port 1(dummy0) entered blocking state
[ 2124.830053][T15491] br0: port 1(dummy0) entered forwarding state
[ 2127.332865][   T12] dummy0: left allmulticast mode
[ 2127.333181][   T12] dummy0: left promiscuous mode
[ 2127.333552][   T12] br0: port 1(dummy0) entered disabled state