[ 2070.917800][ T9339] br0: port 1(dummy0) entered blocking state
[ 2070.918463][ T9339] br0: port 1(dummy0) entered disabled state
[ 2070.918694][ T9339] dummy0: entered allmulticast mode
[ 2070.919785][ T9339] dummy0: entered promiscuous mode
[ 2070.946555][ T9340] br0: port 1(dummy0) entered blocking state
[ 2070.946824][ T9340] br0: port 1(dummy0) entered forwarding state
[ 2072.917272][   T70] dummy0: left allmulticast mode
[ 2072.917562][   T70] dummy0: left promiscuous mode
[ 2072.917779][   T70] br0: port 1(dummy0) entered disabled state