[ 2072.451099][T17481] br0: port 1(dummy0) entered blocking state
[ 2072.451322][T17481] br0: port 1(dummy0) entered disabled state
[ 2072.451533][T17481] dummy0: entered allmulticast mode
[ 2072.452488][T17481] dummy0: entered promiscuous mode
[ 2072.481541][T17482] br0: port 1(dummy0) entered blocking state
[ 2072.482135][T17482] br0: port 1(dummy0) entered forwarding state
[ 2074.455109][   T12] dummy0: left allmulticast mode
[ 2074.456027][   T12] dummy0: left promiscuous mode
[ 2074.456265][   T12] br0: port 1(dummy0) entered disabled state