diff --git a/src/core/socket.c b/src/core/socket.c
index f848e46d84..ae1a48c9f5 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -1075,7 +1075,7 @@ static void socket_apply_socket_options(Socket *s, SocketPort *p, int fd) {
         if (s->pass_sec) {
                 r = setsockopt_int(fd, SOL_SOCKET, SO_PASSSEC, true);
                 if (r < 0)
-                        log_unit_warning_errno(UNIT(s), r, "SO_PASSSEC failed: %m");
+                        log_unit_full_errno(UNIT(s), ERRNO_IS_NEG_NOT_SUPPORTED(r) ? LOG_DEBUG : LOG_WARNING, r, "SO_PASSSEC failed: %m");
         }
 
         if (s->pass_pktinfo) {
diff --git a/src/journal/journald-native.c b/src/journal/journald-native.c
index 9a622d272c..8d2459b340 100644
--- a/src/journal/journald-native.c
+++ b/src/journal/journald-native.c
@@ -7,6 +7,7 @@
 #include "sd-event.h"
 
 #include "alloc-util.h"
+#include "errno-util.h"
 #include "fd-util.h"
 #include "format-util.h"
 #include "iovec-util.h"
@@ -492,7 +493,7 @@ int manager_open_native_socket(Manager *m, const char *native_socket) {
         if (mac_selinux_use()) {
                 r = setsockopt_int(m->native_fd, SOL_SOCKET, SO_PASSSEC, true);
                 if (r < 0)
-                        log_warning_errno(r, "SO_PASSSEC failed: %m");
+                        log_full_errno(ERRNO_IS_NEG_NOT_SUPPORTED(r) ? LOG_DEBUG : LOG_WARNING, r, "SO_PASSSEC failed: %m");
         }
 
         r = setsockopt_int(m->native_fd, SOL_SOCKET, SO_TIMESTAMP, true);
diff --git a/src/journal/journald-syslog.c b/src/journal/journald-syslog.c
index 8493bc24bd..3ef36ee774 100644
--- a/src/journal/journald-syslog.c
+++ b/src/journal/journald-syslog.c
@@ -7,6 +7,7 @@
 #include "sd-messages.h"
 
 #include "alloc-util.h"
+#include "errno-util.h"
 #include "fd-util.h"
 #include "format-util.h"
 #include "iovec-util.h"
@@ -508,7 +509,7 @@ int manager_open_syslog_socket(Manager *m, const char *syslog_socket) {
         if (mac_selinux_use()) {
                 r = setsockopt_int(m->syslog_fd, SOL_SOCKET, SO_PASSSEC, true);
                 if (r < 0)
-                        log_warning_errno(r, "SO_PASSSEC failed: %m");
+                        log_full_errno(ERRNO_IS_NEG_NOT_SUPPORTED(r) ? LOG_DEBUG : LOG_WARNING, r, "SO_PASSSEC failed: %m");
         }
 
         r = setsockopt_int(m->syslog_fd, SOL_SOCKET, SO_TIMESTAMP, true);