[ 1862.944070][T32530] br0: port 1(dummy0) entered blocking state
[ 1862.944259][T32530] br0: port 1(dummy0) entered disabled state
[ 1862.944869][T32530] dummy0: entered allmulticast mode
[ 1862.945837][T32530] dummy0: entered promiscuous mode
[ 1862.974259][T32531] br0: port 1(dummy0) entered blocking state
[ 1862.974691][T32531] br0: port 1(dummy0) entered forwarding state
[ 1864.893088][   T12] dummy0: left allmulticast mode
[ 1864.893858][   T12] dummy0: left promiscuous mode
[ 1864.894162][   T12] br0: port 1(dummy0) entered disabled state