diff --git a/sbin/ifconfig/af_nd6.c b/sbin/ifconfig/af_nd6.c
--- a/sbin/ifconfig/af_nd6.c
+++ b/sbin/ifconfig/af_nd6.c
@@ -52,17 +52,22 @@
 #include "ifconfig.h"
 
 #define	MAX_SYSCTL_TRY	5
+static const char *ND6BITS[] = {
+	[0]  = "PERFORMNUD",
+	[1]  = "ACCEPT_RTADV",
+	[2]  = "PREFER_SOURCE",
+	[3]  = "IFDISABLED",
+	[4]  = "DONT_SET_IFROUTE",
+	[5]  = "AUTO_LINKLOCAL",
+	[6]  = "NO_RADR",
+	[7]  = "NO_PREFER_IFACE",
+	[8]  = "NO_DAD",
 #ifdef DRAFT_IETF_6MAN_IPV6ONLY_FLAG
-#define	ND6BITS	"\020\001PERFORMNUD\002ACCEPT_RTADV\003PREFER_SOURCE" \
-		"\004IFDISABLED\005DONT_SET_IFROUTE\006AUTO_LINKLOCAL" \
-		"\007NO_RADR\010NO_PREFER_IFACE\011NO_DAD" \
-		"\012IPV6_ONLY\013IPV6_ONLY_MANUAL" \
-		"\020DEFAULTIF"
-#else
-#define	ND6BITS	"\020\001PERFORMNUD\002ACCEPT_RTADV\003PREFER_SOURCE" \
-		"\004IFDISABLED\005DONT_SET_IFROUTE\006AUTO_LINKLOCAL" \
-		"\007NO_RADR\010NO_PREFER_IFACE\011NO_DAD\020DEFAULTIF"
+	[9]  = "IPV6_ONLY",
+	[10] = "IPV6_ONLY_MANUAL",
 #endif
+	[15] = "DEFAULTIF",
+};
 
 static int isnd6defif(if_ctx *ctx, int s);
 void setnd6flags(if_ctx *, const char *, int);
@@ -141,6 +146,7 @@
 	int s6;
 	int error;
 	int isdefif;
+	uint32_t bits;
 
 	strlcpy(nd.ifname, ctx->ifname, sizeof(nd.ifname));
 	if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
@@ -159,7 +165,8 @@
 	close(s6);
 	if (nd.ndi.flags == 0 && !isdefif)
 		return;
-	printb("\tnd6 options",
-	    (unsigned int)(nd.ndi.flags | (isdefif << 15)), ND6BITS);
+	bits = (nd.ndi.flags | (isdefif << 15));
+	printf("\tnd6 options=%x", bits);
+	print_bits("options", &bits, 1, ND6BITS, nitems(ND6BITS));
 	putchar('\n');
 }
diff --git a/sbin/ifconfig/ifconfig.h b/sbin/ifconfig/ifconfig.h
--- a/sbin/ifconfig/ifconfig.h
+++ b/sbin/ifconfig/ifconfig.h
@@ -260,6 +260,8 @@
 void	setifcapnv(if_ctx *ctx, const char *vname, const char *arg);
 
 void	Perror(const char *cmd);
+void	print_bits(const char *btype, uint32_t *v, const int v_count,
+		const char **names, const int n_count);
 void	printb(const char *s, unsigned value, const char *bits);
 
 void	ifmaybeload(struct ifconfig_args *args, const char *name);
diff --git a/sbin/ifconfig/ifconfig.c b/sbin/ifconfig/ifconfig.c
--- a/sbin/ifconfig/ifconfig.c
+++ b/sbin/ifconfig/ifconfig.c
@@ -1617,17 +1617,60 @@
 
 #ifdef WITHOUT_NETLINK
 
-#define	IFFBITS \
-"\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\7RUNNING" \
-"\10NOARP\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2" \
-"\20MULTICAST\22PPROMISC\23MONITOR\24STATICARP\25STICKYARP"
-
-#define	IFCAPBITS \
-"\020\1RXCSUM\2TXCSUM\3NETCONS\4VLAN_MTU\5VLAN_HWTAGGING\6JUMBO_MTU\7POLLING" \
-"\10VLAN_HWCSUM\11TSO4\12TSO6\13LRO\14WOL_UCAST\15WOL_MCAST\16WOL_MAGIC" \
-"\17TOE4\20TOE6\21VLAN_HWFILTER\23VLAN_HWTSO\24LINKSTATE\25NETMAP" \
-"\26RXCSUM_IPV6\27TXCSUM_IPV6\31TXRTLMT\32HWRXTSTMP\33NOMAP\34TXTLS4\35TXTLS6" \
-"\36VXLAN_HWCSUM\37VXLAN_HWTSO\40TXTLS_RTLMT"
+static const char *IFFBITS[] = {
+	[0]  = "UP",
+	[1]  = "BROADCAST",
+	[2]  = "DEBUG",
+	[3]  = "LOOPBACK",
+	[4]  = "POINTOPOINT",
+	[6]  = "RUNNING",
+	[7]  = "NOARP",
+	[8]  = "PROMISC",
+	[9]  = "ALLMULTI",
+	[10] = "OACTIVE",
+	[11] = "SIMPLEX",
+	[12] = "LINK0",
+	[13] = "LINK1",
+	[14] = "LINK2",
+	[15] = "MULTICAST",
+	[17] = "PPROMISC",
+	[18] = "MONITOR",
+	[19] = "STATICARP",
+	[20] = "STICKYARP",
+};
+
+static const char *IFCAPBITS[] = {
+	[0]  = "RXCSUM",
+	[1]  = "TXCSUM",
+	[2]  = "NETCONS",
+	[3]  = "VLAN_MTU",
+	[4]  = "VLAN_HWTAGGING",
+	[5]  = "JUMBO_MTU",
+	[6]  = "POLLING",
+	[7]  = "VLAN_HWCSUM",
+	[8]  = "TSO4",
+	[9]  = "TSO6",
+	[10] = "LRO",
+	[11] = "WOL_UCAST",
+	[12] = "WOL_MCAST",
+	[13] = "WOL_MAGIC",
+	[14] = "TOE4",
+	[15] = "TOE6",
+	[16] = "VLAN_HWFILTER",
+	[18] = "VLAN_HWTSO",
+	[19] = "LINKSTATE",
+	[20] = "NETMAP",
+	[21] = "RXCSUM_IPV6",
+	[22] = "TXCSUM_IPV6",
+	[24] = "TXRTLMT",
+	[25] = "HWRXTSTMP",
+	[26] = "NOMAP",
+	[27] = "TXTLS4",
+	[28] = "TXTLS6",
+	[29] = "VXLAN_HWCSUM",
+	[30] = "VXLAN_HWTSO",
+	[31] = "TXTLS_RTLMT",
+};
 
 static void
 print_ifcap_nv(if_ctx *ctx)
@@ -1699,10 +1742,12 @@
 	if ((ifr.ifr_curcap & IFCAP_NV) != 0)
 		print_ifcap_nv(ctx);
 	else {
-		printb("\toptions", ifr.ifr_curcap, IFCAPBITS);
+		printf("\toptions=%x", ifr.ifr_curcap);
+		print_bits("options", &ifr.ifr_curcap, 1, IFCAPBITS, nitems(IFCAPBITS));
 		putchar('\n');
 		if (ctx->args->supmedia && ifr.ifr_reqcap != 0) {
-			printb("\tcapabilities", ifr.ifr_reqcap, IFCAPBITS);
+			printf("\tcapabilities=%x", ifr.ifr_reqcap);
+			print_bits("capabilities", &ifr.ifr_reqcap, 1, IFCAPBITS, nitems(IFCAPBITS));
 			putchar('\n');
 		}
 	}
@@ -1790,8 +1835,8 @@
 	old_s = ctx->io_s;
 	ctx->io_s = s;
 
-	printf("%s: ", ctx->ifname);
-	printb("flags", ifa->ifa_flags, IFFBITS);
+	printf("%s: flags=%x", ctx->ifname, ifa->ifa_flags);
+	print_bits("flags", &ifa->ifa_flags, 1, IFFBITS, nitems(IFFBITS));
 	print_metric(ctx);
 	print_mtu(ctx);
 	putchar('\n');
@@ -1877,6 +1922,29 @@
 	Perrorc(cmd, errno);
 }
 
+void
+print_bits(const char *btype, uint32_t *v, const int v_count,
+    const char **names, const int n_count)
+{
+	int num = 0;
+
+	for (int i = 0; i < v_count * 32; i++) {
+		bool is_set = v[i / 32] & (1U << (i % 32));
+		if (is_set) {
+			if (num++ == 0)
+				printf("<");
+			if (num != 1)
+				printf(",");
+			if (i < n_count)
+				printf("%s", names[i]);
+			else
+				printf("%s_%d", btype, i);
+		}
+	}
+	if (num > 0)
+		printf(">");
+}
+
 /*
  * Print a value a la the %b format of the kernel's printf
  */
diff --git a/sbin/ifconfig/ifconfig_netlink.c b/sbin/ifconfig/ifconfig_netlink.c
--- a/sbin/ifconfig/ifconfig_netlink.c
+++ b/sbin/ifconfig/ifconfig_netlink.c
@@ -81,29 +81,6 @@
 	"LOWER_UP",		/* 24:0x1000000 IFF_NETLINK_1*/
 };
 
-static void
-print_bits(const char *btype, uint32_t *v, const int v_count,
-    const char **names, const int n_count)
-{
-	int num = 0;
-
-	for (int i = 0; i < v_count * 32; i++) {
-		bool is_set = v[i / 32] & (1U << (i % 32));
-		if (is_set) {
-			if (num++ == 0)
-				printf("<");
-			if (num != 1)
-				printf(",");
-			if (i < n_count)
-				printf("%s", names[i]);
-			else
-				printf("%s_%d", btype, i);
-		}
-	}
-	if (num > 0)
-		printf(">");
-}
-
 static void
 nl_init_socket(struct snl_state *ss)
 {
diff --git a/sbin/ifconfig/ifgif.c b/sbin/ifconfig/ifgif.c
--- a/sbin/ifconfig/ifgif.c
+++ b/sbin/ifconfig/ifgif.c
@@ -48,7 +48,9 @@
 
 #include "ifconfig.h"
 
-#define	GIFBITS	"\020\2IGNORE_SOURCE"
+static const char *GIFBITS[] = {
+	[1] = "IGNORE_SOURCE",
+};
 
 static void
 gif_status(if_ctx *ctx)
@@ -60,7 +62,8 @@
 		return;
 	if (opts == 0)
 		return;
-	printb("\toptions", opts, GIFBITS);
+	printf("\toptions=%x", opts);
+	print_bits("options", &opts, 1, GIFBITS, nitems(GIFBITS));
 	putchar('\n');
 }
 
diff --git a/sbin/ifconfig/ifgre.c b/sbin/ifconfig/ifgre.c
--- a/sbin/ifconfig/ifgre.c
+++ b/sbin/ifconfig/ifgre.c
@@ -41,7 +41,11 @@
 
 #include "ifconfig.h"
 
-#define	GREBITS	"\020\01ENABLE_CSUM\02ENABLE_SEQ\03UDPENCAP"
+static const char *GREBITS[] = {
+	[0] = "ENABLE_CSUM",
+	[1] = "ENABLE_SEQ",
+	[2] = "UDPENCAP",
+};
 
 static void
 gre_status(if_ctx *ctx)
@@ -60,7 +64,8 @@
 	ifr.ifr_data = (caddr_t)&port;
 	if (ioctl_ctx_ifr(ctx, GREGPORT, &ifr) == 0 && port != 0)
 		printf("\tudpport: %u\n", port);
-	printb("\toptions", opts, GREBITS);
+	printf("\toptions=%x", opts);
+	print_bits("options", &opts, 1, GREBITS, nitems(GREBITS));
 	putchar('\n');
 }