[Bug 256393] Issue with recreation of ppp/tun interfaces

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 04 Jun 2021 20:33:56 UTC

--- Comment #18 from Alexander V. Chernikov <melifaro@FreeBSD.org> ---
(In reply to Nathan Whitehorn from comment #12)


Are you absolutely sure it's stock 13-S?
Any custom sysctl's / multiple fibs ?

The logs above show commit
, but does not explicitly specify the hostname (in that line).

Currently loopback routes in 13-S are PINNED:
, so it shouldn't be possible for routed(8) to delete such routes.

PINNED logic also should take precedence over any other non-PINNED routes,
allowing to replace these on route addition during interface address

Could you by any chance show the following:

1) netstat -4rnW, netstat -4onW
2) route -n monitor
3) if possible, run `dtrace -i 'fbt:kernel:*:return /arg1==17/ {stack()}'`

4) Run commmand-to-fail: `ifconfig tun0`

5) netstat -4rnW, netstat -4onW

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