[ 1942.247300][T24425] br0: port 1(dummy0) entered blocking state
[ 1942.247491][T24425] br0: port 1(dummy0) entered disabled state
[ 1942.247662][T24425] dummy0: entered allmulticast mode
[ 1942.248672][T24425] dummy0: entered promiscuous mode
[ 1942.274365][T24426] br0: port 1(dummy0) entered blocking state
[ 1942.274874][T24426] br0: port 1(dummy0) entered forwarding state
[ 1944.292488][   T68] dummy0: left allmulticast mode
[ 1944.293254][   T68] dummy0: left promiscuous mode
[ 1944.293491][   T68] br0: port 1(dummy0) entered disabled state