rc: defer newwanip not exectued during boot

PR: https://forum.opnsense.org/index.php?topic=6891.0

plist

@@ -140,6 +140,7 @@
 /usr/local/etc/rc.syshook.d/05-beep.stop
 /usr/local/etc/rc.syshook.d/05-update.early
 /usr/local/etc/rc.syshook.d/10-configd.early
+/usr/local/etc/rc.syshook.d/10-newwanip.start
 /usr/local/etc/rc.syshook.d/15-php.early
 /usr/local/etc/rc.syshook.d/20-backup.early
 /usr/local/etc/rc.syshook.d/20-freebsd.start

src/etc/rc.newwanip

@@ -41,7 +41,8 @@ require_once("interfaces.inc");
 $argument = isset($argv[1]) ? trim($argv[1]) : '';
 
 if (file_exists('/var/run/booting')) {
-    log_error("IP renewal ignored during boot on '{$argument}'");
+    log_error("IP renewal deferred during boot on '{$argument}'");
+    file_put_contents('/tmp/newwanip_' . uniqid(), $argument);
     return;
 }
 

src/etc/rc.newwanipv6

@@ -41,7 +41,8 @@ require_once("interfaces.inc");
 $argument = isset($argv[1]) ? trim($argv[1]) : '';
 
 if (file_exists('/var/run/booting')) {
-    log_error("IP renewal ignored during boot on '{$argument}'");
+    log_error("IP renewal deferred during boot on '{$argument}'");
+    file_put_contents('/tmp/newwanipv6_' . uniqid(), $argument);
     return;
 }
 

src/etc/rc.syshook.d/10-newwanip.start

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+for IPV4 in $(find /tmp -type f -name "newwanip_*"); do
+	/usr/local/etc/rc.newwanip "$(cat "${IPV4}")"
+	rm "${IPV4}"
+done
+
+for IPV6 in $(find /tmp -type f -name "newwanipv6_*"); do
+	/usr/local/etc/rc.newwanipv6 "$(cat "${IPV6}")"
+	rm "${IPV6}"
+done