avoid to break if salt.master.service fails
diff --git a/bootstrap.sh b/bootstrap.sh
index 30c53bb..f18e6b4 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -622,7 +622,7 @@
 
     # finally re-configure salt master conf, ie: may remove ignore_class_notfound option
     log_info "State: salt.master.service"
-    $SUDO salt-call ${SALT_OPTS} state.apply salt.master.service
+    $SUDO salt-call ${SALT_OPTS} state.apply salt.master.service || true
 
     log_info "State: salt.master.storage.node"
     set +e