[ 2175.153296][T26283] br0: port 1(dummy0) entered blocking state
[ 2175.153529][T26283] br0: port 1(dummy0) entered disabled state
[ 2175.153738][T26283] dummy0: entered allmulticast mode
[ 2175.160537][T26283] dummy0: entered promiscuous mode
[ 2175.184742][T26284] br0: port 1(dummy0) entered blocking state
[ 2175.184949][T26284] br0: port 1(dummy0) entered forwarding state
[ 2177.038746][   T69] dummy0: left allmulticast mode
[ 2177.038937][   T69] dummy0: left promiscuous mode
[ 2177.039162][   T69] br0: port 1(dummy0) entered disabled state