tests: shell: non-base chain loops

Detect more non-base chain loops.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/tests/shell/testcases/chains/0018check_jump_loop_1 b/tests/shell/testcases/chains/0018check_jump_loop_1
new file mode 100755 (executable)
index 0000000..d1443da
--- /dev/null
+++ b/tests/shell/testcases/chains/0018check_jump_loop_1
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -e
+
+$NFT add table ip filter
+$NFT add chain ip filter ap1
+$NFT add chain ip filter ap2
+$NFT add rule ip filter ap1 jump ap2
+# kernel should return EOPNOTSUPP
+$NFT add rule ip filter ap1 jump ap1 2>/dev/null >&2