[ 2323.117690][T28804] br0: port 1(dummy0) entered blocking state
[ 2323.117945][T28804] br0: port 1(dummy0) entered disabled state
[ 2323.118187][T28804] dummy0: entered allmulticast mode
[ 2323.119288][T28804] dummy0: entered promiscuous mode
[ 2323.146758][T28805] br0: port 1(dummy0) entered blocking state
[ 2323.147161][T28805] br0: port 1(dummy0) entered forwarding state
[ 2325.688577][   T12] dummy0: left allmulticast mode
[ 2325.688939][   T12] dummy0: left promiscuous mode
[ 2325.689609][   T12] br0: port 1(dummy0) entered disabled state