[ 2064.226754][T22355] br0: port 1(dummy0) entered blocking state
[ 2064.226991][T22355] br0: port 1(dummy0) entered disabled state
[ 2064.227207][T22355] dummy0: entered allmulticast mode
[ 2064.228243][T22355] dummy0: entered promiscuous mode
[ 2064.253120][T22356] br0: port 1(dummy0) entered blocking state
[ 2064.253342][T22356] br0: port 1(dummy0) entered forwarding state
[ 2066.154899][   T12] dummy0: left allmulticast mode
[ 2066.155988][   T12] dummy0: left promiscuous mode
[ 2066.156293][   T12] br0: port 1(dummy0) entered disabled state