[   42.112789][ T1421] br0: port 1(dummy0) entered blocking state
[   42.113091][ T1421] br0: port 1(dummy0) entered disabled state
[   42.113382][ T1421] dummy0: entered allmulticast mode
[   42.114845][ T1421] dummy0: entered promiscuous mode
[   42.142782][ T1422] br0: port 1(dummy0) entered blocking state
[   42.143060][ T1422] br0: port 1(dummy0) entered forwarding state
[   44.106122][  T285] dummy0: left allmulticast mode
[   44.108978][  T285] dummy0: left promiscuous mode
[   44.109358][  T285] br0: port 1(dummy0) entered disabled state