netfilter: xt extensions: use pr_<level>

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c
index 97465a4..7a51ba6 100644
--- a/net/netfilter/xt_connmark.c
+++ b/net/netfilter/xt_connmark.c
@@ -77,8 +77,8 @@
 static bool connmark_tg_check(const struct xt_tgchk_param *par)
 {
 	if (nf_ct_l3proto_try_module_get(par->family) < 0) {
-		printk(KERN_WARNING "cannot load conntrack support for "
-		       "proto=%u\n", par->family);
+		pr_info("cannot load conntrack support for proto=%u\n",
+			par->family);
 		return false;
 	}
 	return true;
@@ -106,8 +106,8 @@
 static bool connmark_mt_check(const struct xt_mtchk_param *par)
 {
 	if (nf_ct_l3proto_try_module_get(par->family) < 0) {
-		printk(KERN_WARNING "cannot load conntrack support for "
-		       "proto=%u\n", par->family);
+		pr_info("cannot load conntrack support for proto=%u\n",
+			par->family);
 		return false;
 	}
 	return true;