我想创建一个 rootfs 以与 UML 内核一起使用并且能够使用互联网。我正在使用febootstrap包：bash, coreutils, net-tools, iputils。使用后febootstrap-supermin-helper我得到了我的rootfs但是当尝试用 UML 启动它时我得到这些错误：
[ 4.340000] systemd[1]: systemd-logind.service holdoff time over, scheduling restart.
[ 4.340000] systemd[1]: dbus.service start request repeated too quickly, refusing to start.
[ 4.340000] systemd-logind[638]: Failed to get system D-Bus connection: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or …