[ 1946.882592][T10283] br0: port 1(dummy0) entered blocking state
[ 1946.882797][T10283] br0: port 1(dummy0) entered disabled state
[ 1946.882964][T10283] dummy0: entered allmulticast mode
[ 1946.884195][T10283] dummy0: entered promiscuous mode
[ 1946.913929][T10284] br0: port 1(dummy0) entered blocking state
[ 1946.914225][T10284] br0: port 1(dummy0) entered forwarding state
[ 1948.818630][   T12] dummy0: left allmulticast mode
[ 1948.818953][   T12] dummy0: left promiscuous mode
[ 1948.819209][   T12] br0: port 1(dummy0) entered disabled state