[ 2209.180803][T11828] br0: port 1(dummy0) entered blocking state
[ 2209.181148][T11828] br0: port 1(dummy0) entered disabled state
[ 2209.181480][T11828] dummy0: entered allmulticast mode
[ 2209.182676][T11828] dummy0: entered promiscuous mode
[ 2209.209499][T11829] br0: port 1(dummy0) entered blocking state
[ 2209.209902][T11829] br0: port 1(dummy0) entered forwarding state
[ 2211.478836][   T70] dummy0: left allmulticast mode
[ 2211.479638][   T70] dummy0: left promiscuous mode
[ 2211.480104][   T70] br0: port 1(dummy0) entered disabled state