fix(sys-apps/systemd): add patch for loginuid issue

sdk_container/src/third_party/coreos-overlay/sys-apps/systemd/files/210-0001-fix-detection-of-missing-loginuid.patch

@@ -0,0 +1,13 @@
+diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
+index 1a02935..e6f8ce7 100644
+--- a/src/nspawn/nspawn.c
++++ b/src/nspawn/nspawn.c
+@@ -1349,7 +1349,7 @@ static int reset_audit_loginuid(void) {
+                 return 0;
+ 
+         r = read_one_line_file("/proc/self/loginuid", &p);
+-        if (r == -EEXIST)
++        if (r == -ENOENT)
+                 return 0;
+         if (r < 0) {
+                 log_error("Failed to read /proc/self/loginuid: %s", strerror(-r));

sdk_container/src/third_party/coreos-overlay/sys-apps/systemd/systemd-210.ebuild

@@ -97,6 +97,8 @@ KEYWORDS=
 fi
 
 src_prepare() {
+	epatch "${FILESDIR}"/210-0001-fix-detection-of-missing-loginuid.patch
+
 	if use doc; then
 		gtkdocize --docdir docs/ || die
 	else