mwan3: add sleep to release ipset reference

It turns out that under high system load, ipsets cannot be deleted. This
is because there is still a reference in iptables. A short sleep should
give the system time to clean this up.

Signed-off-by: Florian Eckert <redacted>

diff --git a/net/mwan3/files/etc/init.d/mwan3 b/net/mwan3/files/etc/init.d/mwan3
index 22d5c2bd3115bb2bca341bc08ad5aa0c685f8366..33a1f46e5371382a07a3bdf35e975e5832f3b21a 100755 (executable)
--- a/net/mwan3/files/etc/init.d/mwan3
+++ b/net/mwan3/files/etc/init.d/mwan3
@@ -91,6 +91,8 @@ stop_service() {
                } | $IPTR
        done
 
+       # Needed for the firewall backend to release the ipsets reference
+       sleep 2
        for ipset in $($IPS -n list | grep mwan3_); do
                $IPS -q destroy $ipset
        done