diff --git a/devlink/devlink.c b/devlink/devlink.c
index 5bf81f55..436935f8 100644
--- a/devlink/devlink.c
+++ b/devlink/devlink.c
@@ -3858,12 +3858,8 @@ static int cmd_mon(struct dl *dl)
 	if (dl_argv_match(dl, "help")) {
 		cmd_mon_help();
 		return 0;
-	} else if (dl_no_arg(dl)) {
-		dl_arg_inc(dl);
-		return cmd_mon_show(dl);
 	}
-	pr_err("Command \"%s\" not found\n", dl_argv(dl));
-	return -ENOENT;
+	return cmd_mon_show(dl);
 }
 
 struct dpipe_field {
diff --git a/ip/ipmroute.c b/ip/ipmroute.c
index b29c78e4..6cf91fe9 100644
--- a/ip/ipmroute.c
+++ b/ip/ipmroute.c
@@ -57,6 +57,7 @@ int print_mroute(struct nlmsghdr *n, void *arg)
 	struct rtmsg *r = NLMSG_DATA(n);
 	int len = n->nlmsg_len;
 	struct rtattr *tb[RTA_MAX+1];
+	FILE *fp = arg;
 	const char *src, *dst;
 	SPRINT_BUF(b1);
 	SPRINT_BUF(b2);
@@ -209,6 +210,7 @@ int print_mroute(struct nlmsghdr *n, void *arg)
 
 	print_string(PRINT_FP, NULL, "\n", NULL);
 	close_json_object();
+	fflush(fp);
 	return 0;
 }
 
diff --git a/ip/ipnetns.c b/ip/ipnetns.c
index 430d8844..52aefacf 100644
--- a/ip/ipnetns.c
+++ b/ip/ipnetns.c
@@ -107,7 +107,7 @@ int get_netnsid_from_name(const char *name)
 	struct nlmsghdr *answer;
 	struct rtattr *tb[NETNSA_MAX + 1];
 	struct rtgenmsg *rthdr;
-	int len, fd;
+	int len, fd, ret = -1;
 
 	netns_nsid_socket_init();
 
@@ -124,23 +124,22 @@ int get_netnsid_from_name(const char *name)
 
 	/* Validate message and parse attributes */
 	if (answer->nlmsg_type == NLMSG_ERROR)
-		goto err_out;
+		goto out;
 
 	rthdr = NLMSG_DATA(answer);
 	len = answer->nlmsg_len - NLMSG_SPACE(sizeof(*rthdr));
 	if (len < 0)
-		goto err_out;
+		goto out;
 
 	parse_rtattr(tb, NETNSA_MAX, NETNS_RTA(rthdr), len);
 
 	if (tb[NETNSA_NSID]) {
-		free(answer);
-		return rta_getattr_u32(tb[NETNSA_NSID]);
+		ret = rta_getattr_u32(tb[NETNSA_NSID]);
 	}
 
-err_out:
+out:
 	free(answer);
-	return -1;
+	return ret;
 }
 
 struct nsid_cache {
diff --git a/ip/xfrm_policy.c b/ip/xfrm_policy.c
index 4a63e9ab..98984350 100644
--- a/ip/xfrm_policy.c
+++ b/ip/xfrm_policy.c
@@ -410,6 +410,10 @@ static int xfrm_policy_filter_match(struct xfrm_userpolicy_info *xpinfo,
 	if (!filter.use)
 		return 1;
 
+	if (filter.xpinfo.sel.family != AF_UNSPEC &&
+	    filter.xpinfo.sel.family != xpinfo->sel.family)
+		return 0;
+
 	if ((xpinfo->dir^filter.xpinfo.dir)&filter.dir_mask)
 		return 0;
 
@@ -780,7 +784,7 @@ static int xfrm_policy_list_or_deleteall(int argc, char **argv, int deleteall)
 	char *selp = NULL;
 	struct rtnl_handle rth;
 
-	if (argc > 0)
+	if (argc > 0 || preferred_family != AF_UNSPEC)
 		filter.use = 1;
 	filter.xpinfo.sel.family = preferred_family;
 
diff --git a/ip/xfrm_state.c b/ip/xfrm_state.c
index 93601437..f2727070 100644
--- a/ip/xfrm_state.c
+++ b/ip/xfrm_state.c
@@ -898,6 +898,10 @@ static int xfrm_state_filter_match(struct xfrm_usersa_info *xsinfo)
 	if (!filter.use)
 		return 1;
 
+	if (filter.xsinfo.family != AF_UNSPEC &&
+	    filter.xsinfo.family != xsinfo->family)
+		return 0;
+
 	if (filter.id_src_mask)
 		if (xfrm_addr_match(&xsinfo->saddr, &filter.xsinfo.saddr,
 				    filter.id_src_mask))
@@ -1170,7 +1174,7 @@ static int xfrm_state_list_or_deleteall(int argc, char **argv, int deleteall)
 	struct rtnl_handle rth;
 	bool nokeys = false;
 
-	if (argc > 0)
+	if (argc > 0 || preferred_family != AF_UNSPEC)
 		filter.use = 1;
 	filter.xsinfo.family = preferred_family;
 
diff --git a/man/man8/ip-xfrm.8 b/man/man8/ip-xfrm.8
index 95478085..cfce1e40 100644
--- a/man/man8/ip-xfrm.8
+++ b/man/man8/ip-xfrm.8
@@ -89,7 +89,7 @@ ip-xfrm \- transform configuration
 .IR MASK " ] ]"
 
 .ti -8
-.BR "ip xfrm state " deleteall " ["
+.BR ip " [ " -4 " | " -6 " ] " "xfrm state deleteall" " ["
 .IR ID " ]"
 .RB "[ " mode
 .IR MODE " ]"
@@ -99,7 +99,7 @@ ip-xfrm \- transform configuration
 .IR FLAG-LIST " ]"
 
 .ti -8
-.BR "ip xfrm state " list " ["
+.BR ip " [ " -4 " | " -6 " ] " "xfrm state list" " ["
 .IR ID " ]"
 .RB "[ " nokeys " ]"
 .RB "[ " mode
@@ -257,7 +257,7 @@ ip-xfrm \- transform configuration
 .IR PTYPE " ]"
 
 .ti -8
-.BR "ip xfrm policy" " { " deleteall " | " list " }"
+.BR ip " [ " -4 " | " -6 " ] " "xfrm policy" " { " deleteall " | " list " }"
 .RB "[ " nosock " ]"
 .RI "[ " SELECTOR " ]"
 .RB "[ " dir