[ 2064.142343][T12243] br0: port 1(dummy0) entered blocking state
[ 2064.142580][T12243] br0: port 1(dummy0) entered disabled state
[ 2064.142792][T12243] dummy0: entered allmulticast mode
[ 2064.143732][T12243] dummy0: entered promiscuous mode
[ 2064.177842][T12244] br0: port 1(dummy0) entered blocking state
[ 2064.178018][T12244] br0: port 1(dummy0) entered forwarding state
[ 2066.160922][   T70] dummy0: left allmulticast mode
[ 2066.162212][   T70] dummy0: left promiscuous mode
[ 2066.162458][   T70] br0: port 1(dummy0) entered disabled state