[ 2150.892234][T28379] br0: port 1(dummy0) entered blocking state
[ 2150.892564][T28379] br0: port 1(dummy0) entered disabled state
[ 2150.892859][T28379] dummy0: entered allmulticast mode
[ 2150.893892][T28379] dummy0: entered promiscuous mode
[ 2150.921427][T28380] br0: port 1(dummy0) entered blocking state
[ 2150.921784][T28380] br0: port 1(dummy0) entered forwarding state
[ 2153.471454][   T69] dummy0: left allmulticast mode
[ 2153.472305][   T69] dummy0: left promiscuous mode
[ 2153.472816][   T69] br0: port 1(dummy0) entered disabled state