conf: log file descriptors on error during idmapped mount setup

Signed-off-by: Christian Brauner (Microsoft) <christian.brauner@ubuntu.com>

diff --git a/src/lxc/conf.c b/src/lxc/conf.c
index a24fdcc8f43ab43141b79ba6567cb976843fb7a0..0bc42993b1b8c88b7bc2f8949d396a6bfaeaf329 100644 (file)
--- a/src/lxc/conf.c
+++ b/src/lxc/conf.c
@@ -4120,7 +4120,7 @@ int lxc_idmapped_mounts_parent(struct lxc_handler *handler)
                        return syserror("Failed to receive idmapped mount file descriptors from child");
 
                if (fd_from < 0 || fd_userns < 0)
-                       return log_trace(0, "Finished receiving idmapped mount file descriptors from child");
+                       return log_trace(0, "Finished receiving idmapped mount file descriptors (%d | %d) from child", fd_from, fd_userns);
 
                attr.attr_set   = MOUNT_ATTR_IDMAP;
                attr.userns_fd  = fd_userns;