package xl2tpd 1.3.1+dfsg-1ubuntu0.12.04.1 failed to install/upgrade: 子进程 已安装 post-installation 脚本 返回了错误号 1

[js.romeki]

正在预设定软件包 ...
Selecting previously unselected package openswan.
(正在读取数据库 ... 系统当前共安装有 161917 个文件和目录。)
正在解压缩 openswan (从 .../openswan_1%3a2.6.37-1_i386.deb) ...
Selecting previously unselected package xl2tpd.
正在解压缩 xl2tpd (从 .../xl2tpd_1.3.1+dfsg-1ubuntu0.12.04.1_i386.deb) ...
Selecting previously unselected package network-manager-l2tp.
正在解压缩 network-manager-l2tp (从 .../network-manager-l2tp_0.9.4-0precise1_i386.deb) ...
Selecting previously unselected package network-manager-l2tp-gnome.
正在解压缩 network-manager-l2tp-gnome (从 .../network-manager-l2tp-gnome_0.9.4-0precise1_i386.deb) ...
正在处理用于 ureadahead 的触发器...
正在处理用于 man-db 的触发器...
正在设置 openswan (1:2.6.37-1) ...
egrep: /etc/ipsec.conf: 没有那个文件或目录
invoke-rc.d: initscript ipsec, action "restart" failed.
正在设置 xl2tpd (1.3.1+dfsg-1ubuntu0.12.04.1) ...
Starting xl2tpd: invoke-rc.d: initscript xl2tpd, action "start" failed.
dpkg：处理 xl2tpd (--configure)时出错：
 子进程 已安装 post-installation 脚本 返回了错误号 1
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: xl2tpd 1.3.1+dfsg-1ubuntu0.12.04.1
ProcVersionSignature: Ubuntu 3.11.0-15.25~precise1-generic 3.11.10
Uname: Linux 3.11.0-15-generic i686
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: i386
Date: Sat Aug 16 11:33:52 2014
ErrorMessage: 子进程 已安装 post-installation 脚本 返回了错误号 1
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release i386 (20140204)
MarkForUpload: True
SourcePackage: xl2tpd
Title: package xl2tpd 1.3.1+dfsg-1ubuntu0.12.04.1 failed to install/upgrade: 子进程 已安装 post-installation 脚本 返回了错误号 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.