[ 2071.347402][T24003] br0: port 1(dummy0) entered blocking state
[ 2071.347635][T24003] br0: port 1(dummy0) entered disabled state
[ 2071.347853][T24003] dummy0: entered allmulticast mode
[ 2071.349350][T24003] dummy0: entered promiscuous mode
[ 2071.371883][T24004] br0: port 1(dummy0) entered blocking state
[ 2071.372521][T24004] br0: port 1(dummy0) entered forwarding state
[ 2073.319848][   T71] dummy0: left allmulticast mode
[ 2073.321522][   T71] dummy0: left promiscuous mode
[ 2073.321754][   T71] br0: port 1(dummy0) entered disabled state