[ 2312.747329][T11858] br0: port 1(dummy0) entered blocking state
[ 2312.748408][T11858] br0: port 1(dummy0) entered disabled state
[ 2312.748747][T11858] dummy0: entered allmulticast mode
[ 2312.750131][T11858] dummy0: entered promiscuous mode
[ 2312.786891][T11859] br0: port 1(dummy0) entered blocking state
[ 2312.787396][T11859] br0: port 1(dummy0) entered forwarding state
[ 2315.204532][   T71] dummy0: left allmulticast mode
[ 2315.205652][   T71] dummy0: left promiscuous mode
[ 2315.205979][   T71] br0: port 1(dummy0) entered disabled state