Ensure logging is initialized early in libvirt_lxc

The virLogSetFromEnv call was done too late in startup to
catch many log messages (eg from security driver initialization).
To assist debugging also explicitly log the security details
at startup
(cherry picked from commit 43ee98731256673b903d7ddf996eec7b4f72b99d)

src/lxc/lxc_controller.c

@@ -1668,6 +1668,9 @@ int main(int argc, char *argv[])
         exit(EXIT_FAILURE);
     }
 
+    /* Initialize logging */
+    virLogSetFromEnv();
+
     while (1) {
         int c;
 
@@ -1784,6 +1787,12 @@ int main(int argc, char *argv[])
                                      0)) == NULL)
         goto cleanup;
 
+    VIR_DEBUG("Security model %s type %s label %s imagelabel %s",
+              NULLSTR(def->seclabel.model),
+              virDomainSeclabelTypeToString(def->seclabel.type),
+              NULLSTR(def->seclabel.label),
+              NULLSTR(def->seclabel.imagelabel));
+
     if (def->nnets != nveths) {
         fprintf(stderr, "%s: expecting %d veths, but got %d\n",
                 argv[0], def->nnets, nveths);
@@ -1828,9 +1837,6 @@ int main(int argc, char *argv[])
         }
     }
 
-    /* Initialize logging */
-    virLogSetFromEnv();
-
     /* Accept initial client which is the libvirtd daemon */
     if ((client = accept(monitor, NULL, 0)) < 0) {
         virReportSystemError(errno, "%s",