diff --git a/src/libsystemd/sd-rtnl/sd-rtnl.c b/src/libsystemd/sd-rtnl/sd-rtnl.c
index b7f1afe..3759882 100644
--- a/src/libsystemd/sd-rtnl/sd-rtnl.c
+++ b/src/libsystemd/sd-rtnl/sd-rtnl.c
@@ -140,6 +140,10 @@ int sd_rtnl_open(sd_rtnl **ret, unsigned n_groups, ...) {
         return 0;
 }
 
+int sd_rtnl_inc_rcvbuf(const sd_rtnl *const rtnl, const int size) {
+        return fd_inc_rcvbuf(rtnl->fd, size);
+}
+
 sd_rtnl *sd_rtnl_ref(sd_rtnl *rtnl) {
         assert_return(rtnl, NULL);
         assert_return(!rtnl_pid_changed(rtnl), NULL);
diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c
index 2213ad7..33f0377 100644
--- a/src/network/networkd-manager.c
+++ b/src/network/networkd-manager.c
@@ -36,6 +36,9 @@
 
 #include "sd-rtnl.h"
 
+/* use 512 KB for receive socket kernel queue. */
+#define RCVBUF_SIZE    (512*1024)
+
 const char* const network_dirs[] = {
         "/etc/systemd/network",
         "/run/systemd/network",
@@ -98,6 +101,10 @@ int manager_new(Manager **ret) {
         if (r < 0)
                 return r;
 
+        r = sd_rtnl_inc_rcvbuf(m->rtnl, RCVBUF_SIZE);
+        if (r < 0)
+                return r;
+
         r = sd_bus_default_system(&m->bus);
         if (r < 0 && r != -ENOENT) /* TODO: drop when we can rely on kdbus */
                 return r;
diff --git a/src/systemd/sd-rtnl.h b/src/systemd/sd-rtnl.h
index 1e7eb81..ba663b4 100644
--- a/src/systemd/sd-rtnl.h
+++ b/src/systemd/sd-rtnl.h
@@ -41,6 +41,7 @@ typedef int (*sd_rtnl_message_handler_t)(sd_rtnl *rtnl, sd_rtnl_message *m, void
 
 /* bus */
 int sd_rtnl_open(sd_rtnl **nl, unsigned n_groups, ...);
+int sd_rtnl_inc_rcvbuf(const sd_rtnl *const rtnl, const int size);
 
 sd_rtnl *sd_rtnl_ref(sd_rtnl *nl);
 sd_rtnl *sd_rtnl_unref(sd_rtnl *nl);