void nm_utils_log_connection_diff (NMConnection *connection, NMConnection *diff_base, guint32 level, guint64 domain, const char *name, const char *prefix);
#define NM_UTILS_NS_PER_SECOND ((gint64) 1000000000)
+#define NM_UTILS_NS_PER_MSEC ((gint64) 1000000)
+#define NM_UTILS_NS_TO_MSEC_CEIL(nsec) (((nsec) + (NM_UTILS_NS_PER_MSEC - 1)) / NM_UTILS_NS_PER_MSEC)
+
gint64 nm_utils_get_monotonic_timestamp_ns (void);
gint64 nm_utils_get_monotonic_timestamp_us (void);
gint64 nm_utils_get_monotonic_timestamp_ms (void);