git: 1eb727727a9a - main - ndp tests: Fix flakiness in ndp_slaac_default_route

The branch main has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=1eb727727a9acb5f1e66e3f70b0146e7c9c5f710

commit 1eb727727a9acb5f1e66e3f70b0146e7c9c5f710
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2026-02-17 19:03:35 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2026-02-17 20:22:05 +0000

    ndp tests: Fix flakiness in ndp_slaac_default_route
    
    The test sends RAs in order to test SLAAC handling in another host.
    The router needs to also set net.inet6.ip6.forwarding=1, otherwise NAs
    sent from it have the ROUTER flag clear, and upon receiving such an NA
    the host will automatically delete routes learned from the router.
    
    Fixes:          feda329622bc ("netinet6 tests: Add a regression test for default router handling")
    MFC after:      1 week
    Sponsored by:   Klara, Inc.
---
 tests/sys/netinet6/ndp.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tests/sys/netinet6/ndp.sh b/tests/sys/netinet6/ndp.sh
index 159a51485c49..c8de4083a9ea 100755
--- a/tests/sys/netinet6/ndp.sh
+++ b/tests/sys/netinet6/ndp.sh
@@ -152,7 +152,10 @@ ndp_slaac_default_route_body() {
 	ndp_if_up ${epair0}b
 	atf_check jexec ${jname} ifconfig ${epair0}a inet6 accept_rtadv
 
-        # Send an RA advertising a prefix.
+	# Make sure that NAs from us are flagged as coming from a router.
+	atf_check -o ignore sysctl net.inet6.ip6.forwarding=1
+
+	# Send an RA advertising a prefix.
 	atf_check -e ignore python3 $(atf_get_srcdir)/ra.py \
 	    --sendif ${epair0}b \
 	    --dst $(ndp_if_lladdr ${epair0}a ${jname}) \
@@ -167,7 +170,7 @@ ndp_slaac_default_route_body() {
 	    jexec ${jname} netstat -rn -6
 
 	# Get rid of the default route.
-	jexec ${jname} route -6 flush
+	atf_check -o ignore jexec ${jname} route -6 flush
 	atf_check -o not-match:"^default[[:space:]]+fe80:" \
 	    jexec ${jname} netstat -rn -6