diff --git a/ndhc/ifset.c b/ndhc/ifset.c
index 2d25a4c..ea2ca38 100644
--- a/ndhc/ifset.c
+++ b/ndhc/ifset.c
@@ -421,7 +421,7 @@ static int ipbcpfx_clear_others(int fd, uint32_t ipaddr, uint32_t bcast,
                            .prefixlen = prefixlen, .already_ok = false };
     ssize_t ret;
     uint32_t seq = ifset_nl_seq++;
-    if (nl_sendgetaddr(fd, seq, client_config.ifindex) < 0)
+    if (nl_sendgetaddr4(fd, seq, client_config.ifindex) < 0)
         return -1;
 
     do {
diff --git a/ndhc/nl.c b/ndhc/nl.c
index 292e32a..0cdaef7 100644
--- a/ndhc/nl.c
+++ b/ndhc/nl.c
@@ -197,7 +197,8 @@ int nl_sendgetlink(int fd, int seq, int ifindex)
     return nl_sendgetlink_do(fd, seq, ifindex, 1);
 }
 
-int nl_sendgetaddr(int fd, int seq, int ifindex)
+static int nl_sendgetaddr_do(int fd, int seq, int ifindex, int by_ifindex,
+                             int afamily, int by_afamily)
 {
     char nlbuf[512];
     struct nlmsghdr *nlh = (struct nlmsghdr *)nlbuf;
@@ -211,8 +212,10 @@ int nl_sendgetaddr(int fd, int seq, int ifindex)
     nlh->nlmsg_seq = seq;
 
     ifaddrmsg = NLMSG_DATA(nlh);
-    ifaddrmsg->ifa_family = AF_INET;
-    ifaddrmsg->ifa_index = ifindex;
+    if (by_afamily)
+        ifaddrmsg->ifa_family = afamily;
+    if (by_ifindex)
+        ifaddrmsg->ifa_index = ifindex;
 
     struct sockaddr_nl addr = {
         .nl_family = AF_NETLINK,
@@ -232,6 +235,31 @@ retry_sendto:
     return 0;
 }
 
+int nl_sendgetaddrs(int fd, int seq)
+{
+    return nl_sendgetaddr_do(fd, seq, 0, 0, 0, 0);
+}
+
+int nl_sendgetaddrs4(int fd, int seq)
+{
+    return nl_sendgetaddr_do(fd, seq, 0, 0, AF_INET, 1);
+}
+
+int nl_sendgetaddrs6(int fd, int seq)
+{
+    return nl_sendgetaddr_do(fd, seq, 0, 0, AF_INET6, 1);
+}
+
+int nl_sendgetaddr4(int fd, int seq, int ifindex)
+{
+    return nl_sendgetaddr_do(fd, seq, ifindex, 1, AF_INET, 1);
+}
+
+int nl_sendgetaddr6(int fd, int seq, int ifindex)
+{
+    return nl_sendgetaddr_do(fd, seq, ifindex, 1, AF_INET6, 1);
+}
+
 int nl_open(int nltype, int nlgroup, int *nlportid)
 {
     int fd;
diff --git a/ndhc/nl.h b/ndhc/nl.h
index 6e54709..fa07528 100644
--- a/ndhc/nl.h
+++ b/ndhc/nl.h
@@ -56,7 +56,11 @@ int nl_foreach_nlmsg(char *buf, size_t blen, uint32_t seq,
                      nlmsg_foreach_fn pfn, void *fnarg);
 int nl_sendgetlinks(int fd, int seq);
 int nl_sendgetlink(int fd, int seq, int ifindex);
-int nl_sendgetaddr(int fd, int seq, int ifindex);
+int nl_sendgetaddr4(int fd, int seq, int ifindex);
+int nl_sendgetaddr6(int fd, int seq, int ifindex);
+int nl_sendgetaddrs(int fd, int seq);
+int nl_sendgetaddrs4(int fd, int seq);
+int nl_sendgetaddrs6(int fd, int seq);
 
 int nl_open(int nltype, int nlgroup, int *nlportid);