[ 1817.722629] br0: port 1(dummy0) entered blocking state
[ 1817.722672] br0: port 1(dummy0) entered disabled state
[ 1817.722706] dummy0: entered allmulticast mode
[ 1817.722756] dummy0: entered promiscuous mode
[ 1817.726350] br0: port 1(dummy0) entered blocking state
[ 1817.726386] br0: port 1(dummy0) entered forwarding state
[ 1818.001685] dummy0: left allmulticast mode
[ 1818.001750] dummy0: left promiscuous mode
[ 1818.001840] br0: port 1(dummy0) entered disabled state