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rc.d/routing: Silence errors for loopback routes

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_loopback entry in `static_routes` ensures a loopback route
exists in all routing tables.
However, loopback routes may already be added by the kernel.
Therefore, re-adding them triggers an `EEXIST` error on every boot.
This change suppresses those harmless errors.

PR:		259553
MFC after:	1 week
Reviewed by:	glebius, jlduran, markj
Differential Revision:	https://reviews.freebsd.org/D57470
This commit is contained in:
Pouria Mousavizadeh Tehrani
2026-06-10 14:56:07 +03:30
parent 75b23c102e
commit 9f80c8b90b
1 changed files with 16 additions and 3 deletions
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libexec/rc/rc.d/routing
+16 -3
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@@ -190,7 +190,13 @@ static_inet()
if [ $_skip = 0 ]; then if [ $_skip = 0 ]; then
route_args=`get_if_var ${i%:*} route_IF` route_args=`get_if_var ${i%:*} route_IF`
if [ -n "$route_args" ]; then if [ -n "$route_args" ]; then
${ROUTE_CMD} ${_action} ${route_args} # Loopback routes may already be added by the kernel; ignore EEXIST.
if [ "${i%:*}" = "_loopback" ]; then
${ROUTE_CMD} ${_action} ${route_args} 2>&1 >/dev/null |
sed -e '/route: message indicates error: File exists/d' >&2
else
${ROUTE_CMD} ${_action} ${route_args}
fi
else else
warn "route_${i%:*} not found." warn "route_${i%:*} not found."
fi fi
@@ -267,8 +273,15 @@ static_inet6()
if [ $_skip = 0 ]; then if [ $_skip = 0 ]; then
ipv6_route_args=`get_if_var ${i%:*} ipv6_route_IF` ipv6_route_args=`get_if_var ${i%:*} ipv6_route_IF`
if [ -n "$ipv6_route_args" ]; then if [ -n "$ipv6_route_args" ]; then
${ROUTE_CMD} ${_action} \ # Loopback routes may already be added by the kernel; ignore EEXIST.
-inet6 ${ipv6_route_args} if [ "${i%:*}" = "_loopback" ]; then
${ROUTE_CMD} ${_action} -inet6 \
${ipv6_route_args} 2>&1 >/dev/null |
sed -e '/route: message indicates error: File exists/d' >&2
else
${ROUTE_CMD} ${_action} \
-inet6 ${ipv6_route_args}
fi
else else
warn "route_${i%:*} not found" warn "route_${i%:*} not found"
fi fi