[ 1776.662801] br0: port 1(dummy0) entered blocking state
[ 1776.662876] br0: port 1(dummy0) entered disabled state
[ 1776.662945] dummy0: entered allmulticast mode
[ 1776.663035] dummy0: entered promiscuous mode
[ 1776.665922] br0: port 1(dummy0) entered blocking state
[ 1776.665953] br0: port 1(dummy0) entered forwarding state
[ 1776.864721] dummy0: left allmulticast mode
[ 1776.864756] dummy0: left promiscuous mode
[ 1776.864785] br0: port 1(dummy0) entered disabled state