diff --git a/src/devices/nm-acd-manager.c b/src/devices/nm-acd-manager.c
index 42dff5379a..7be0374baa 100644
--- a/src/devices/nm-acd-manager.c
+++ b/src/devices/nm-acd-manager.c
@@ -65,7 +65,7 @@ struct _NMAcdManager {
         char _sbuf[64]; \
         \
         nm_log ((level), _NMLOG_DOMAIN, \
-                self ? nm_platform_link_get_name (NM_PLATFORM_GET, self->ifindex) : "", \
+                self && self->ifindex > 0 ? nm_platform_link_get_name (NM_PLATFORM_GET, self->ifindex) : NULL, \
                 NULL, \
                 "%s%s: " _NM_UTILS_MACRO_FIRST (__VA_ARGS__), \
                 _NMLOG_PREFIX_NAME, \
diff --git a/src/devices/nm-device.c b/src/devices/nm-device.c
index c2223a9850..3e48f2005a 100644
--- a/src/devices/nm-device.c
+++ b/src/devices/nm-device.c
@@ -4846,7 +4846,8 @@ nm_device_master_release_slaves (NMDevice *self)
 	if (priv->state == NM_DEVICE_STATE_FAILED)
 		reason = NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED;
 
-	if (!nm_platform_link_get (nm_device_get_platform (self), priv->ifindex))
+	if (   priv->ifindex <= 0
+	    || !nm_platform_link_get (nm_device_get_platform (self), priv->ifindex))
 		configure = FALSE;
 
 	c_list_for_each_safe (iter, safe, &priv->slaves) {
diff --git a/src/devices/nm-lldp-listener.c b/src/devices/nm-lldp-listener.c
index c0484ed30a..ae18063709 100644
--- a/src/devices/nm-lldp-listener.c
+++ b/src/devices/nm-lldp-listener.c
@@ -128,7 +128,7 @@ typedef struct {
             int _ifindex = (self) ? NM_LLDP_LISTENER_GET_PRIVATE (self)->ifindex : 0; \
             \
             _nm_log (_level, _NMLOG_DOMAIN, 0, \
-                     nm_platform_link_get_name (NM_PLATFORM_GET, _ifindex), \
+                     _ifindex > 0 ? nm_platform_link_get_name (NM_PLATFORM_GET, _ifindex) : NULL, \
                      NULL, \
                      "%s%s: " _NM_UTILS_MACRO_FIRST (__VA_ARGS__), \
                      _NMLOG_PREFIX_NAME, \