diff -urN lxc-2.1.1-orig/src/lxc/log.c lxc-2.1.1/src/lxc/log.c
--- lxc-2.1.1-orig/src/lxc/log.c	2017-10-19 19:08:34.000000000 +0200
+++ lxc-2.1.1/src/lxc/log.c	2018-03-24 13:42:08.659166630 +0100
@@ -222,7 +222,11 @@
 	seconds = (time->tv_sec - d_in_s - h_in_s - (minutes * 60));
 
 	/* Make string from nanoseconds. */
+	#ifdef __ILP32__
+	ret = snprintf(nanosec, LXC_NUMSTRLEN64, "%lld", (int64_t)time->tv_nsec);
+	#else
 	ret = snprintf(nanosec, LXC_NUMSTRLEN64, "%"PRId64, (int64_t)time->tv_nsec);
+	#endif
 	if (ret < 0 || ret >= LXC_NUMSTRLEN64)
 		return -1;