diff --git a/ip/iplink.c b/ip/iplink.c
index 369d50ea..edee0f7a 100644
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -94,7 +94,7 @@ void iplink_usage(void)
 		fprintf(stderr, "TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | macvtap |\n");
 		fprintf(stderr, "          bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan |\n");
 		fprintf(stderr, "          gre | gretap | ip6gre | ip6gretap | vti | nlmon |\n");
-		fprintf(stderr, "          bond_slave | ipvlan | geneve }\n");
+		fprintf(stderr, "          bond_slave | ipvlan | geneve | bridge_slave }\n");
 	}
 	exit(-1);
 }
@@ -508,7 +508,7 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req,
 			} else if (strcmp(*argv, "off") == 0) {
 				req->i.ifi_flags |= IFF_NOARP;
 			} else
-				return on_off("noarp", *argv);
+				return on_off("arp", *argv);
 		} else if (strcmp(*argv, "vf") == 0) {
 			struct rtattr *vflist;
 			NEXT_ARG();
diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index 297160c4..1e699601 100644
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -17,9 +17,9 @@
 #include "utils.h"
 #include "ip_common.h"
 
-static void explain(void)
+static void print_explain(FILE *f)
 {
-	fprintf(stderr,
+	fprintf(f,
 		"Usage: ... bridge [ forward_delay FORWARD_DELAY ]\n"
 		"                  [ hello_time HELLO_TIME ]\n"
 		"                  [ max_age MAX_AGE ]\n"
@@ -29,6 +29,11 @@ static void explain(void)
 	);
 }
 
+static void explain(void)
+{
+	print_explain(stderr);
+}
+
 static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
 			    struct nlmsghdr *n)
 {
@@ -111,9 +116,16 @@ static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
 			rta_getattr_u32(tb[IFLA_BR_MAX_AGE]));
 }
 
+static void bridge_print_help(struct link_util *lu, int argc, char **argv,
+		FILE *f)
+{
+	print_explain(f);
+}
+
 struct link_util bridge_link_util = {
 	.id		= "bridge",
 	.maxattr	= IFLA_BR_MAX,
 	.parse_opt	= bridge_parse_opt,
 	.print_opt	= bridge_print_opt,
+	.print_help     = bridge_print_help,
 };
diff --git a/ip/iplink_bridge_slave.c b/ip/iplink_bridge_slave.c
index a2851855..4593872e 100644
--- a/ip/iplink_bridge_slave.c
+++ b/ip/iplink_bridge_slave.c
@@ -19,9 +19,9 @@
 #include "utils.h"
 #include "ip_common.h"
 
-static void explain(void)
+static void print_explain(FILE *f)
 {
-	fprintf(stderr,
+	fprintf(f,
 		"Usage: ... bridge_slave [ state STATE ] [ priority PRIO ] [cost COST ]\n"
 		"                        [ guard {on | off} ]\n"
 		"                        [ hairpin {on | off} ] \n"
@@ -32,6 +32,11 @@ static void explain(void)
 	);
 }
 
+static void explain(void)
+{
+	print_explain(stderr);
+}
+
 static const char *port_states[] = {
 	[BR_STATE_DISABLED] = "disabled",
 	[BR_STATE_LISTENING] = "listening",
@@ -172,10 +177,17 @@ static int bridge_slave_parse_opt(struct link_util *lu, int argc, char **argv,
 	return 0;
 }
 
+static void bridge_slave_print_help(struct link_util *lu, int argc, char **argv,
+		FILE *f)
+{
+	print_explain(f);
+}
+
 struct link_util bridge_slave_link_util = {
 	.id		= "bridge",
 	.maxattr	= IFLA_BRPORT_MAX,
 	.print_opt	= bridge_slave_print_opt,
 	.parse_opt	= bridge_slave_parse_opt,
+	.print_help     = bridge_slave_print_help,
 	.slave		= true,
 };
diff --git a/ip/ipnetns.c b/ip/ipnetns.c
index 3b704a45..088096f6 100644
--- a/ip/ipnetns.c
+++ b/ip/ipnetns.c
@@ -139,7 +139,7 @@ struct nsid_cache {
 	struct hlist_node	nsid_hash;
 	struct hlist_node	name_hash;
 	int			nsid;
-	char			name[NAME_MAX];
+	char			name[0];
 };
 
 #define NSIDMAP_SIZE		128
@@ -164,7 +164,7 @@ static struct nsid_cache *netns_map_get_by_nsid(int nsid)
 	return NULL;
 }
 
-static int netns_map_add(int nsid, char *name)
+static int netns_map_add(int nsid, const char *name)
 {
 	struct nsid_cache *c;
 	uint32_t h;
@@ -172,7 +172,7 @@ static int netns_map_add(int nsid, char *name)
 	if (netns_map_get_by_nsid(nsid) != NULL)
 		return -EEXIST;
 
-	c = malloc(sizeof(*c));
+	c = malloc(sizeof(*c) + strlen(name));
 	if (c == NULL) {
 		perror("malloc");
 		return -ENOMEM;
diff --git a/man/man8/ip-link.8.in b/man/man8/ip-link.8.in
index c123fcc0..1c312af6 100644
--- a/man/man8/ip-link.8.in
+++ b/man/man8/ip-link.8.in
@@ -889,7 +889,7 @@ output more statistics about packet usage.
 output more detailed information.
 
 .TP
-.BR "\-h", " \-human", " \-human-readble"
+.BR "\-h", " \-human", " \-human-readable"
 output statistics with human readable values number followed by suffix
 
 .TP