[ 2148.810244][T28207] br0: port 1(dummy0) entered blocking state
[ 2148.810617][T28207] br0: port 1(dummy0) entered disabled state
[ 2148.810964][T28207] dummy0: entered allmulticast mode
[ 2148.812048][T28207] dummy0: entered promiscuous mode
[ 2148.844068][T28208] br0: port 1(dummy0) entered blocking state
[ 2148.844387][T28208] br0: port 1(dummy0) entered forwarding state
[ 2151.219289][   T12] dummy0: left allmulticast mode
[ 2151.219609][   T12] dummy0: left promiscuous mode
[ 2151.219963][   T12] br0: port 1(dummy0) entered disabled state