diff --git a/src/network/netdev/netdev.c b/src/network/netdev/netdev.c
index 71a4f603be..52c10b10ef 100644
--- a/src/network/netdev/netdev.c
+++ b/src/network/netdev/netdev.c
@@ -400,10 +400,8 @@ int netdev_set_ifindex(NetDev *netdev, sd_netlink_message *message) {
         if (r < 0)
                 return log_netdev_error_errno(netdev, r, "Could not get rtnl message type: %m");
 
-        if (type != RTM_NEWLINK) {
-                log_netdev_error(netdev, "Cannot set ifindex from unexpected rtnl message type.");
-                return -EINVAL;
-        }
+        if (type != RTM_NEWLINK)
+                return log_netdev_error_errno(netdev, SYNTHETIC_ERRNO(EINVAL), "Cannot set ifindex from unexpected rtnl message type.");
 
         r = sd_rtnl_message_link_get_ifindex(message, &ifindex);
         if (r < 0) {
diff --git a/src/network/networkd-can.c b/src/network/networkd-can.c
index 7e31d2fc82..8610320698 100644
--- a/src/network/networkd-can.c
+++ b/src/network/networkd-can.c
@@ -195,10 +195,8 @@ static int link_set_can(Link *link) {
 
                 format_timespan(time_string, FORMAT_TIMESPAN_MAX, restart_ms * 1000, MSEC_PER_SEC);
 
-                if (restart_ms > UINT32_MAX) {
-                        log_link_error(link, "restart timeout (%s) too big.", time_string);
-                        return -ERANGE;
-                }
+                if (restart_ms > UINT32_MAX)
+                        return log_link_error_errno(link, SYNTHETIC_ERRNO(ERANGE), "restart timeout (%s) too big.", time_string);
 
                 log_link_debug(link, "Setting restart = %s", time_string);