--- musl-1.1.19/src/network/inet_ntop.c	2018-02-22 19:39:19.000000000 +0100
+++ inet_ntop.c	2018-06-04 15:51:23.192207973 +0200
@@ -34,6 +34,7 @@
 		for (i=best=0, max=2; buf[i]; i++) {
 			if (i && buf[i] != ':') continue;
 			j = strspn(buf+i, ":0");
+			if (j<4) continue;
 			if (j>max) best=i, max=j;
 		}
 		if (max>2) {