[ 2348.152466][T24986] br0: port 1(dummy0) entered blocking state
[ 2348.152769][T24986] br0: port 1(dummy0) entered disabled state
[ 2348.153041][T24986] dummy0: entered allmulticast mode
[ 2348.154018][T24986] dummy0: entered promiscuous mode
[ 2348.193702][T24987] br0: port 1(dummy0) entered blocking state
[ 2348.194021][T24987] br0: port 1(dummy0) entered forwarding state
[ 2350.684114][   T69] dummy0: left allmulticast mode
[ 2350.684441][   T69] dummy0: left promiscuous mode
[ 2350.684781][   T69] br0: port 1(dummy0) entered disabled state