--- ./extensions/libxt_cgroup.c.orig	2022-06-07 16:47:06.815050633 +0200
+++ ./extensions/libxt_cgroup.c	2022-06-07 16:47:20.575322792 +0200
@@ -4,7 +4,7 @@
 
 enum {
 	O_CLASSID = 0,
-	O_PATH = 1,
+	_O_PATH = 1,
 };
 
 static void cgroup_help_v0(void)
@@ -36,7 +36,7 @@
 static const struct xt_option_entry cgroup_opts_v1[] = {
 	{
 		.name = "path",
-		.id = O_PATH,
+		.id = _O_PATH,
 		.type = XTTYPE_STRING,
 		.flags = XTOPT_INVERT | XTOPT_PUT,
 		XTOPT_POINTER(struct xt_cgroup_info_v1, path)
@@ -54,7 +54,7 @@
 static const struct xt_option_entry cgroup_opts_v2[] = {
 	{
 		.name = "path",
-		.id = O_PATH,
+		.id = _O_PATH,
 		.type = XTTYPE_STRING,
 		.flags = XTOPT_INVERT | XTOPT_PUT,
 		XTOPT_POINTER(struct xt_cgroup_info_v2, path)
@@ -85,7 +85,7 @@
 	xtables_option_parse(cb);
 
 	switch (cb->entry->id) {
-	case O_PATH:
+	case _O_PATH:
 		info->has_path = true;
 		if (cb->invert)
 			info->invert_path = true;
@@ -105,7 +105,7 @@
 	xtables_option_parse(cb);
 
 	switch (cb->entry->id) {
-	case O_PATH:
+	case _O_PATH:
 		info->has_path = true;
 		if (cb->invert)
 			info->invert_path = true;