[ 2074.598729][T11397] br0: port 1(dummy0) entered blocking state
[ 2074.598920][T11397] br0: port 1(dummy0) entered disabled state
[ 2074.599087][T11397] dummy0: entered allmulticast mode
[ 2074.600046][T11397] dummy0: entered promiscuous mode
[ 2074.621936][T11398] br0: port 1(dummy0) entered blocking state
[ 2074.622307][T11398] br0: port 1(dummy0) entered forwarding state
[ 2076.573444][   T67] dummy0: left allmulticast mode
[ 2076.574533][   T67] dummy0: left promiscuous mode
[ 2076.574830][   T67] br0: port 1(dummy0) entered disabled state