Kyle Evans b3dac3913d ifconfig: allow displaying/setting persistent-keepalive
The kernel-side already accepted a persistent-keepalive-interval, so
just add a verb to ifconfig(8) for it and start exporting it so that
ifconfig(8) can view it.

PR:		253790
MFC after:	3 days
Discussed with:	decke
2021-03-09 05:16:42 -06:00
..
2021-03-05 04:15:55 -05:00
2020-11-29 19:38:03 +00:00
2019-12-11 17:37:53 +00:00