[ 2042.692978][ T1776] br0: port 1(dummy0) entered blocking state
[ 2042.693714][ T1776] br0: port 1(dummy0) entered disabled state
[ 2042.693890][ T1776] dummy0: entered allmulticast mode
[ 2042.695096][ T1776] dummy0: entered promiscuous mode
[ 2042.729573][ T1777] br0: port 1(dummy0) entered blocking state
[ 2042.729905][ T1777] br0: port 1(dummy0) entered forwarding state
[ 2044.760580][   T12] dummy0: left allmulticast mode
[ 2044.760925][   T12] dummy0: left promiscuous mode
[ 2044.761215][   T12] br0: port 1(dummy0) entered disabled state