[ 1817.854037] br0: port 1(dummy0) entered blocking state
[ 1817.854090] br0: port 1(dummy0) entered disabled state
[ 1817.854120] dummy0: entered allmulticast mode
[ 1817.854172] dummy0: entered promiscuous mode
[ 1817.857400] br0: port 1(dummy0) entered blocking state
[ 1817.857432] br0: port 1(dummy0) entered forwarding state
[ 1818.084076] dummy0: left allmulticast mode
[ 1818.084164] dummy0: left promiscuous mode
[ 1818.084208] br0: port 1(dummy0) entered disabled state