[ 2129.175371][T15176] br0: port 1(dummy0) entered blocking state
[ 2129.175609][T15176] br0: port 1(dummy0) entered disabled state
[ 2129.176198][T15176] dummy0: entered allmulticast mode
[ 2129.177150][T15176] dummy0: entered promiscuous mode
[ 2129.208072][T15177] br0: port 1(dummy0) entered blocking state
[ 2129.208338][T15177] br0: port 1(dummy0) entered forwarding state
[ 2131.384615][   T12] dummy0: left allmulticast mode
[ 2131.385735][   T12] dummy0: left promiscuous mode
[ 2131.385977][   T12] br0: port 1(dummy0) entered disabled state