diff --git a/usr.sbin/arp/arp.c b/usr.sbin/arp/arp.c
--- a/usr.sbin/arp/arp.c
+++ b/usr.sbin/arp/arp.c
@@ -69,7 +69,6 @@
 #include <arpa/inet.h>
 
 #include <ctype.h>
-#include <err.h>
 #include <errno.h>
 #include <netdb.h>
 #include <nlist.h>
@@ -185,7 +184,8 @@
 
 			xo_close_list("arp-cache");
 			xo_close_container("arp");
-			xo_finish();
+			if (xo_finish() < 0)
+				xo_err(1, "stdout");
 		} else {
 			if (argc != 1)
 				usage();
@@ -222,7 +222,7 @@
 	if (ifnameindex != NULL)
 		if_freenameindex(ifnameindex);
 
-	return (rtn);
+	exit(rtn);
 }
 
 /*
@@ -462,7 +462,8 @@
 
 	xo_close_list("arp-cache");
 	xo_close_container("arp");
-	xo_finish();
+	if (xo_finish() < 0)
+		xo_err(1, "stdout");
 
 	return (found == 0);
 }
@@ -741,7 +742,7 @@
 static void
 usage(void)
 {
-	fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
+	xo_error("%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
 	    "usage: arp [-n] [-i interface] hostname",
 	    "       arp [-n] [-i interface] -a",
 	    "       arp -d hostname [pub]",
diff --git a/usr.sbin/arp/arp_netlink.c b/usr.sbin/arp/arp_netlink.c
--- a/usr.sbin/arp/arp_netlink.c
+++ b/usr.sbin/arp/arp_netlink.c
@@ -2,7 +2,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdbool.h>
-#include <err.h>
 #include <errno.h>
 #include <netdb.h>
 
@@ -43,12 +42,12 @@
 	if (modfind("netlink") == -1 && errno == ENOENT) {
 		/* Try to load */
 		if (kldload("netlink") == -1)
-			err(1, "netlink is not loaded and load attempt failed");
+			xo_err(1, "netlink is not loaded and load attempt failed");
 		if (snl_init(ss, NETLINK_ROUTE))
 			return;
 	}
 
-	err(1, "unable to open netlink socket");
+	xo_err(1, "unable to open netlink socket");
 }
 
 static bool