wangxy@ubuntu:~$ systemctl status networking.service
● networking.service - Raise network interfaces
Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor prese
Drop-In: /run/systemd/generator/networking.service.d
└─50-insserv.conf-$network.conf
Active: failed (Result: exit-code) since Thu 2016-09-22 13:09:12 PDT; 23s ago
Docs: man:interfaces(5)
Process: 2056 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=
Process: 2052 ExecStartPre=/bin/sh -c [ "$CONFIGURE_INTERFACES" != "no" ] && [
Main PID: 2056 (code=exited, status=1/FAILURE)

Sep 22 13:09:12 ubuntu systemd[1]: Starting Raise network interfaces...
Sep 22 13:09:12 ubuntu sh[2052]: /etc/network/interfaces:6: misplaced option
Sep 22 13:09:12 ubuntu sh[2052]: ifquery: couldn't read interfaces file "/etc/ne
Sep 22 13:09:12 ubuntu ifup[2056]: /etc/network/interfaces:6: misplaced option
Sep 22 13:09:12 ubuntu ifup[2056]: /sbin/ifup: couldn't read interfaces file "/e
Sep 22 13:09:12 ubuntu systemd[1]: networking.service: Main process exited, code
Sep 22 13:09:12 ubuntu systemd[1]: Failed to start Raise network interfaces.
Sep 22 13:09:12 ubuntu systemd[1]: networking.service: Unit entered failed state
Sep 22 13:09:12 ubuntu systemd[1]: networking.service: Failed with result 'exit-
wangxy@ubuntu:~$ journalctl -xe
-- Subject: Unit networking.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/li ... temd-devel
--
-- Unit networking.service has begun starting up.
Sep 22 13:09:12 ubuntu sh[2052]: /etc/network/interfaces:6: misplaced option
Sep 22 13:09:12 ubuntu sh[2052]: ifquery: couldn't read interfaces file "/etc/ne
Sep 22 13:09:12 ubuntu ifup[2056]: /etc/network/interfaces:6: misplaced option
Sep 22 13:09:12 ubuntu ifup[2056]: /sbin/ifup: couldn't read interfaces file "/e
Sep 22 13:09:12 ubuntu systemd[1]: networking.service: Main process exited, code
Sep 22 13:09:12 ubuntu systemd[1]: Failed to start Raise network interfaces.
-- Subject: Unit networking.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/li ... temd-devel
--
-- Unit networking.service has failed.
--
-- The result is failed.
Sep 22 13:09:12 ubuntu systemd[1]: networking.service: Unit entered failed state
Sep 22 13:09:12 ubuntu systemd[1]: networking.service: Failed with result 'exit-
Sep 22 13:09:12 ubuntu sudo[2038]: pam_unix(sudo:session): session closed for us
Sep 22 13:09:20 ubuntu tpvmlpd2[2103]: device type not supported
Sep 22 13:09:35 ubuntu tpvmlpd2[2122]: device type not supported

1. https://help.ubuntu.com/community/Ubunt ... nd_Configs
這是 Upstart

2. 這是 Systemd

3. Ubuntu 16.04 預設已經改為 Systemd
https://wiki.ubuntu.com/SystemdForUpstartUsers

4. Systemd 跟 Upstart 不能同時共存在一個開機初始化程序

5. 如果你還是習慣使用 Upstart
從開機選單 選擇 Advnaced 進階
看看 有沒有
Ubuntu .... (Upstart)

6. 進一步參閱
https://wiki.ubuntu.com/SystemdForUpsta ... it_systems

请用journalctl --no-pager -xe显示完整日志