[ 2050.396795][T12305] br0: port 1(dummy0) entered blocking state
[ 2050.397015][T12305] br0: port 1(dummy0) entered disabled state
[ 2050.397235][T12305] dummy0: entered allmulticast mode
[ 2050.398202][T12305] dummy0: entered promiscuous mode
[ 2050.420730][T12306] br0: port 1(dummy0) entered blocking state
[ 2050.420904][T12306] br0: port 1(dummy0) entered forwarding state
[ 2052.420309][   T71] dummy0: left allmulticast mode
[ 2052.422460][   T71] dummy0: left promiscuous mode
[ 2052.422745][   T71] br0: port 1(dummy0) entered disabled state