diff -urp libcap-ng-0.8.3.orig/src/cap-ng.c libcap-ng-0.8.3/src/cap-ng.c
--- libcap-ng-0.8.3.orig/src/cap-ng.c	2021-01-30 09:26:33.000000000 -0500
+++ libcap-ng-0.8.3/src/cap-ng.c	2021-01-30 09:52:43.507967643 -0500
@@ -713,6 +713,36 @@ int capng_updatev(capng_act_t action, ca
 	return rc;
 }
 
+#include <sys/param.h>
+static char *get_exename(char *exename, int size)
+{
+        char tmp[PATH_MAX+1];
+	int res;
+
+        /* get the name of the current executable */
+        if ((res = readlink("/proc/self/exe", tmp, PATH_MAX)) < -1)
+                strcpy(exename, "\"?\"");
+        else {
+                tmp[res] = '\0';
+                snprintf(exename, size, "\"%s\"", tmp);
+        }
+        return exename;
+}
+
+#include <syslog.h>
+static void log_problem(unsigned int msg)
+{
+	static const char *text[3] = {
+		"dropping bounding set",
+		"getting new bounding set",
+		"due to not having CAP_SETPCAP"
+	};
+	unsigned idx = msg - 2;
+	char exe[2048];
+	syslog(LOG_ERR, "libcap-ng used by %s failed %s in capng_apply",
+	       get_exename(exe, 2047), text[idx]);
+}
+
 int capng_apply(capng_select_t set)
 {
 	int rc = 0;
@@ -733,19 +763,22 @@ int capng_apply(capng_select_t set)
 				if (capng_have_capability(CAPNG_BOUNDING_SET,
 								 i) == 0) {
 				    if (prctl(PR_CAPBSET_DROP, i, 0, 0, 0) <0) {
-					rc = -2;
+//					rc = -2;
+					log_problem(2);
 					goto try_caps;
 				    }
 				}
 			}
 			m.state = CAPNG_APPLIED;
 			if (get_bounding_set() < 0) {
-				rc = -3;
+//				rc = -3;
+				log_problem(3);
 				goto try_caps;
 			}
 		} else {
 			memcpy(&m, &state, sizeof(m)); /* restore state */
-			rc = -4;
+//			rc = -4;
+			log_problem(4);
 			goto try_caps;
 		}
 #endif