diff --git a/lib/isc/netmgr/netmgr-int.h b/lib/isc/netmgr/netmgr-int.h
index 277601d5ab..b5593a7f59 100644
--- a/lib/isc/netmgr/netmgr-int.h
+++ b/lib/isc/netmgr/netmgr-int.h
@@ -821,3 +821,9 @@ isc__nm_decstats(isc_nm_t *mgr, isc_statscounter_t counterid);
 /*%<
  * Decrement socket-related statistics counters.
  */
+
+isc_result_t
+isc__nm_socket_freebind(const uv_handle_t *handle);
+/*%<
+ * Set the IP_FREEBIND (or equivalent) socket option on the uv_handle
+ */
diff --git a/lib/isc/netmgr/netmgr.c b/lib/isc/netmgr/netmgr.c
index 0cdf5b3e9c..30260afb29 100644
--- a/lib/isc/netmgr/netmgr.c
+++ b/lib/isc/netmgr/netmgr.c
@@ -1519,3 +1519,54 @@ isc__nm_decstats(isc_nm_t *mgr, isc_statscounter_t counterid) {
 		isc_stats_decrement(mgr->stats, counterid);
 	}
 }
+
+#define setsockopt_on(socket, level, name) \
+	setsockopt(socket, level, name, &(int){ 1 }, sizeof(int))
+
+isc_result_t
+isc__nm_socket_freebind(const uv_handle_t *handle) {
+	/*
+	 * Set the IP_FREEBIND (or equivalent option) on the uv_handle.
+	 */
+	isc_result_t result = ISC_R_SUCCESS;
+	uv_os_fd_t fd;
+	if (uv_fileno(handle, &fd) != 0) {
+		return (ISC_R_FAILURE);
+	}
+#ifdef IP_FREEBIND
+	if (setsockopt_on(fd, IPPROTO_IP, IP_FREEBIND) == -1) {
+		return (ISC_R_FAILURE);
+	}
+#elif defined(IP_BINDANY) || defined(IPV6_BINDANY)
+	struct sockaddr_in sockfd;
+
+	if (getsockname(fd, (struct sockaddr *)&sockfd,
+			&(socklen_t){ sizeof(sockfd) }) == -1)
+	{
+		return (ISC_R_FAILURE);
+	}
+#if defined(IP_BINDANY)
+	if (sockfd.sin_family == AF_INET) {
+		if (setsockopt_on(fd, IPPROTO_IP, IP_BINDANY) == -1) {
+			return (ISC_R_FAILURE);
+		}
+	}
+#endif
+#if defined(IPV6_BINDANY)
+	if (sockfd.sin_family == AF_INET6) {
+		if (setsockopt_on(fd, IPPROTO_IPV6, IPV6_BINDANY) == -1) {
+			return (ISC_R_FAILURE);
+		}
+	}
+#endif
+#elif defined(SO_BINDANY)
+	if (setsockopt_on(fd, SOL_SOCKET, SO_BINDANY) == -1) {
+		return (ISC_R_FAILURE);
+	}
+#else
+	UNUSED(handle);
+	UNUSED(fd);
+	result = ISC_R_NOTIMPLEMENTED;
+#endif
+	return (result);
+}
diff --git a/lib/isc/netmgr/tcp.c b/lib/isc/netmgr/tcp.c
index 430616355b..558b685caf 100644
--- a/lib/isc/netmgr/tcp.c
+++ b/lib/isc/netmgr/tcp.c
@@ -340,6 +340,19 @@ isc__nm_async_tcplisten(isc__networker_t *worker, isc__netievent_t *ev0) {
 
 	r = uv_tcp_bind(&sock->uv_handle.tcp, &sock->iface->addr.type.sa,
 			flags);
+	if (r == UV_EADDRNOTAVAIL &&
+	    isc__nm_socket_freebind(&sock->uv_handle.handle) == ISC_R_SUCCESS)
+	{
+		/*
+		 * Retry binding with IP_FREEBIND (or equivalent option) if the
+		 * address is not available. This helps with IPv6 tentative
+		 * addresses which are reported by the route socket, although
+		 * named is not yet able to properly bind to them.
+		 */
+		r = uv_tcp_bind(&sock->uv_handle.tcp,
+				&sock->iface->addr.type.sa, flags);
+	}
+
 	if (r != 0) {
 		isc__nm_incstats(sock->mgr, sock->statsindex[STATID_BINDFAIL]);
 		uv_close(&sock->uv_handle.handle, tcp_close_cb);
diff --git a/lib/isc/netmgr/udp.c b/lib/isc/netmgr/udp.c
index 0e782f5cde..544a967ae9 100644
--- a/lib/isc/netmgr/udp.c
+++ b/lib/isc/netmgr/udp.c
@@ -168,6 +168,20 @@ isc__nm_async_udplisten(isc__networker_t *worker, isc__netievent_t *ev0) {
 
 	r = uv_udp_bind(&sock->uv_handle.udp,
 			&sock->parent->iface->addr.type.sa, uv_bind_flags);
+	if (r == UV_EADDRNOTAVAIL &&
+	    isc__nm_socket_freebind(&sock->uv_handle.handle) == ISC_R_SUCCESS)
+	{
+		/*
+		 * Retry binding with IP_FREEBIND (or equivalent option) if the
+		 * address is not available. This helps with IPv6 tentative
+		 * addresses which are reported by the route socket, although
+		 * named is not yet able to properly bind to them.
+		 */
+		r = uv_udp_bind(&sock->uv_handle.udp,
+				&sock->parent->iface->addr.type.sa,
+				uv_bind_flags);
+	}
+
 	if (r < 0) {
 		isc__nm_incstats(sock->mgr, sock->statsindex[STATID_BINDFAIL]);
 	}