Add etc/iproute2/ematch_map
diff --git a/etc/iproute2/ematch_map b/etc/iproute2/ematch_map
new file mode 100644
index 0000000..7c6a281
--- /dev/null
+++ b/etc/iproute2/ematch_map
@@ -0,0 +1,5 @@
+# lookup table for ematch kinds
+1	cmp
+2	nbyte
+3	u32
+4	meta