[ 1782.636529] br0: port 1(dummy0) entered blocking state
[ 1782.636603] br0: port 1(dummy0) entered disabled state
[ 1782.636664] dummy0: entered allmulticast mode
[ 1782.636744] dummy0: entered promiscuous mode
[ 1782.639467] br0: port 1(dummy0) entered blocking state
[ 1782.639489] br0: port 1(dummy0) entered forwarding state
[ 1782.820657] dummy0: left allmulticast mode
[ 1782.820687] dummy0: left promiscuous mode
[ 1782.820707] br0: port 1(dummy0) entered disabled state