diff -uwr net-snmp-5.9.3.old/agent/Makefile.in net-snmp-5.9.3/agent/Makefile.in
--- net-snmp-5.9.3.old/agent/Makefile.in	2022-07-13 23:14:14.000000000 +0200
+++ net-snmp-5.9.3/agent/Makefile.in	2023-06-16 11:31:16.049538400 +0200
@@ -116,7 +116,7 @@
 MIBLIB		= libnetsnmpmibs.$(LIB_EXTENSION)$(LIB_VERSION)
 
 LAGENTLIBS	= @LAGENTLIBS@
-LMIBLIBS	= @LMIBLIBS@
+LMIBLIBS	= @LMIBLIBS@ -lsystemd
 VAL_LIBS	= @VAL_LIBS@
 PERLLDOPTS_FOR_APPS = @PERLLDOPTS_FOR_APPS@
 PERLLDOPTS_FOR_LIBS = @PERLLDOPTS_FOR_LIBS@
diff -uwr net-snmp-5.9.3.old/agent/mibgroup/host/hr_system.c net-snmp-5.9.3/agent/mibgroup/host/hr_system.c
--- net-snmp-5.9.3.old/agent/mibgroup/host/hr_system.c	2022-07-13 23:14:14.000000000 +0200
+++ net-snmp-5.9.3/agent/mibgroup/host/hr_system.c	2023-06-16 10:38:58.916026706 +0200
@@ -79,6 +79,11 @@
 #include <sys/sysctl.h>
 #endif
 
+#ifndef NETSNMP_NO_SYSTEMD
+#include <systemd/sd-daemon.h>
+#include <systemd/sd-login.h>
+#endif
+
 netsnmp_feature_require(date_n_time);
 
 #if !defined(UTMP_FILE) && defined(_PATH_UTMP)
@@ -686,6 +691,11 @@
     struct utmp    *utmp_p;
 #endif
 
+#ifndef NETSNMP_NO_SYSTEMD
+    if (sd_booted () > 0)
+        total = sd_get_sessions (NULL);
+    else {
+#endif
     setutent();
     while ((utmp_p = getutent()) != NULL) {
 #ifndef UTMP_HAS_NO_TYPE
@@ -704,6 +714,9 @@
             ++total;
     }
     endutent();
+#ifndef NETSNMP_NO_SYSTEMD
+    }
+#endif
 #else /* WIN32 */
    /* 
     * TODO - Error checking.