[ 1955.702833][T29963] br0: port 1(dummy0) entered blocking state
[ 1955.703017][T29963] br0: port 1(dummy0) entered disabled state
[ 1955.703184][T29963] dummy0: entered allmulticast mode
[ 1955.704067][T29963] dummy0: entered promiscuous mode
[ 1955.733239][T29964] br0: port 1(dummy0) entered blocking state
[ 1955.733993][T29964] br0: port 1(dummy0) entered forwarding state
[ 1957.880654][   T70] dummy0: left allmulticast mode
[ 1957.881184][   T70] dummy0: left promiscuous mode
[ 1957.881426][   T70] br0: port 1(dummy0) entered disabled state