[ 1952.546519][T15189] br0: port 1(dummy0) entered blocking state
[ 1952.546722][T15189] br0: port 1(dummy0) entered disabled state
[ 1952.546901][T15189] dummy0: entered allmulticast mode
[ 1952.548314][T15189] dummy0: entered promiscuous mode
[ 1952.580912][T15190] br0: port 1(dummy0) entered blocking state
[ 1952.581180][T15190] br0: port 1(dummy0) entered forwarding state
[ 1954.991471][   T12] dummy0: left allmulticast mode
[ 1954.992599][   T12] dummy0: left promiscuous mode
[ 1954.992901][   T12] br0: port 1(dummy0) entered disabled state