K 10
svn:author
V 3
hrs
K 8
svn:date
V 27
2015-03-05T21:27:49.169924Z
K 7
svn:log
V 249
- Implement loopback probing state in enhanced DAD algorithm.

- Add no_dad and ignoreloop per-IF knob.  no_dad disables DAD completely,
  and ignoreloop is to prevent infinite loop in loopback probing state when
  loopback is permanently expected.

END