package libc6-dev-i386 (not installed) failed to install/upgrade: trying to overwrite '/usr/include/bits', which is also in package libc6-dev-amd64 2.19-0ubuntu6.9

[Mario]

$ lsb_release -a
LSB Version: core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:core-4.1-amd64:core-4.1-noarch:security-4.0-amd64:security-4.0-noarch:security-4.1-amd64:security-4.1-noarch
Distributor ID: Ubuntu
Description: Ubuntu 14.04.4 LTS
Release: 14.04
Codename: trusty
--------------------------------------------------------------------

$ sudo apt-cache policy
Package files:
 100 /var/lib/dpkg/status
     release a=now
 500 https://deb.opera.com/opera-stable/ stable/non-free i386 Packages
     release o=Opera Software ASA,a=stable,n=stable,l=The Opera web browser,c=non-free
     origin deb.opera.com
 500 https://deb.opera.com/opera-stable/ stable/non-free amd64 Packages
     release o=Opera Software ASA,a=stable,n=stable,l=The Opera web browser,c=non-free
     origin deb.opera.com
 500 http://dl.google.com/linux/chrome/deb/ stable/main amd64 Packages
     release v=1.0,o=Google, Inc.,a=stable,n=stable,l=Google,c=main
     origin dl.google.com
 500 https://apt.dockerproject.org/repo/ ubuntu-trusty/main i386 Packages
     release o=Docker,a=ubuntu-trusty,n=ubuntu-trusty,l=Docker APT Repository,c=main
     origin apt.dockerproject.org
 500 https://apt.dockerproject.org/repo/ ubuntu-trusty/main amd64 Packages
     release o=Docker,a=ubuntu-trusty,n=ubuntu-trusty,l=Docker APT Repository,c=main
     origin apt.dockerproject.org
 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/universe Translation-en
 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/restricted Translation-en
 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main Translation-en
 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/universe i386 Packages
     release v=14.04,o=Ubuntu,a=trusty-updates,n=trusty,l=Ubuntu,c=universe
     origin archive.ubuntu.com
 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/restricted i386 Packages
     release v=14.04,o=Ubuntu,a=trusty-updates,n=trusty,l=Ubuntu,c=restricted
     origin archive.ubuntu.com
 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main i386 Packages
     release v=14.04,o=Ubuntu,a=trusty-updates,n=trusty,l=Ubuntu,c=main
     origin archive.ubuntu.com
 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/universe amd64 Packages
     release v=14.04,o=Ubuntu,a=trusty-updates,n=trusty,l=Ubuntu,c=universe
     origin archive.ubuntu.com
 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/restricted amd64 Packages
     release v=14.04,o=Ubuntu,a=trusty-updates,n=trusty,l=Ubuntu,c=restricted
     origin archive.ubuntu.com
 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
     release v=14.04,o=Ubuntu,a=trusty-updates,n=trusty,l=Ubuntu,c=main
     origin archive.ubuntu.com
 500 http://security.ubuntu.com/ubuntu/ trusty-security/universe Translation-en
 500 http://security.ubuntu.com/ubuntu/ trusty-security/restricted Translation-en
 500 http://security.ubuntu.com/ubuntu/ trusty-security/main Translation-en
 500 http://security.ubuntu.com/ubuntu/ trusty-security/universe i386 Packages
     release v=14.04,o=Ubuntu,a=trusty-security,n=trusty,l=Ubuntu,c=universe
     origin security.ubuntu.com
 500 http://security.ubuntu.com/ubuntu/ trusty-security/restricted i386 Packages
     release v=14.04,o=Ubuntu,a=trusty-security,n=trusty,l=Ubuntu,c=restricted
     origin security.ubuntu.com
 500 http://security.ubuntu.com/ubuntu/ trusty-security/main i386 Packages
     release v=14.04,o=Ubuntu,a=trusty-security,n=trusty,l=Ubuntu,c=main
     origin security.ubuntu.com
 500 http://security.ubuntu.com/ubuntu/ trusty-security/universe amd64 Packages
     release v=14.04,o=Ubuntu,a=trusty-security,n=trusty,l=Ubuntu,c=universe
     origin security.ubuntu.com
 500 http://security.ubuntu.com/ubuntu/ trusty-security/restricted amd64 Packages
     release v=14.04,o=Ubuntu,a=trusty-security,n=trusty,l=Ubuntu,c=restricted
     origin security.ubuntu.com
 500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
     release v=14.04,o=Ubuntu,a=trusty-security,n=trusty,l=Ubuntu,c=main
     origin security.ubuntu.com
 500 http://archive.ubuntu.com/ubuntu/ trusty/universe Translation-en
 500 http://archive.ubuntu.com/ubuntu/ trusty/restricted Translation-en
 500 http://archive.ubuntu.com/ubuntu/ trusty/main Translation-en
 500 http://archive.ubuntu.com/ubuntu/ trusty/restricted i386 Packages
     release v=14.04,o=Ubuntu,a=trusty,n=trusty,l=Ubuntu,c=restricted
     origin archive.ubuntu.com
 500 http://archive.ubuntu.com/ubuntu/ trusty/universe i386 Packages
     release v=14.04,o=Ubuntu,a=trusty,n=trusty,l=Ubuntu,c=universe
     origin archive.ubuntu.com
 500 http://archive.ubuntu.com/ubuntu/ trusty/main i386 Packages
     release v=14.04,o=Ubuntu,a=trusty,n=trusty,l=Ubuntu,c=main
     origin archive.ubuntu.com
 500 http://archive.ubuntu.com/ubuntu/ trusty/restricted amd64 Packages
     release v=14.04,o=Ubuntu,a=trusty,n=trusty,l=Ubuntu,c=restricted
     origin archive.ubuntu.com
 500 http://archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages
     release v=14.04,o=Ubuntu,a=trusty,n=trusty,l=Ubuntu,c=universe
     origin archive.ubuntu.com
 500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
     release v=14.04,o=Ubuntu,a=trusty,n=trusty,l=Ubuntu,c=main
     origin archive.ubuntu.com
Pinned packages:

-----------------------------------------------------------

I wanted to compile fsqlf. I tried to install g++-multilib package but the errors appeared:

(synaptic:28595): GLib-CRITICAL **: g_child_watch_add_full: assertion 'pid > 0' failed
(Reading database ... 455964 files and directories currently installed.)
Preparing to unpack .../libc6-dev-i386_2.19-0ubuntu6.9_amd64.deb ...
Unpacking libc6-dev-i386 (2.19-0ubuntu6.9) ...
dpkg: error processing archive /var/cache/apt/archives/libc6-dev-i386_2.19-0ubuntu6.9_amd64.deb (--unpack):
 trying to overwrite '/usr/include/bits', which is also in package libc6-dev-amd64 2.19-0ubuntu6.9
Errors were encountered while processing:
 /var/cache/apt/archives/libc6-dev-i386_2.19-0ubuntu6.9_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install. Trying to recover:
dpkg: dependency problems prevent configuration of gcc-4.8-multilib:
 gcc-4.8-multilib depends on libc6-dev-i386 (>= 2.11); however:
  Package libc6-dev-i386 is not installed.

dpkg: error processing package gcc-4.8-multilib (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libc6-dev-x32:
 libc6-dev-x32 depends on libc6-dev-i386 (= 2.19-0ubuntu6.9); however:
  Package libc6-dev-i386 is not installed.

dpkg: error processing package libc6-dev-x32 (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of gcc-multilib:
 gcc-multilib depends on gcc-4.8-multilib (>= 4.8.2-5~); however:
  Package gcc-4.8-multilib is not configured yet.

dpkg: error processing package gcc-multilib (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of g++-4.8-multilib:
 g++-4.8-multilib depends on gcc-4.8-multilib (= 4.8.4-2ubuntu1~14.04.3); however:
  Package gcc-4.8-multilib is not configured yet.

dpkg: error processing package g++-4.8-multilib (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of g++-multilib:
 g++-multilib depends on gcc-multilib (>= 4:4.8.2-1ubuntu6); however:
  Package gcc-multilib is not configured yet.
 g++-multilib depends on g++-4.8-multilib (>= 4.8.2-5~); however:
  Package g++-4.8-multilib is not configured yet.

dpkg: error processing package g++-multilib (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 gcc-4.8-multilib
 libc6-dev-x32
 gcc-multilib
 g++-4.8-multilib
 g++-multilib

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libc6-dev-i386 (not installed)
ProcVersionSignature: Ubuntu 3.19.0-59.66~14.04.1-generic 3.19.8-ckt19
Uname: Linux 3.19.0-59-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
Date: Thu Jun 2 19:53:55 2016
DuplicateSignature: package:libc6-dev-i386:(not installed):trying to overwrite '/usr/include/bits', which is also in package libc6-dev-amd64 2.19-0ubuntu6.9
ErrorMessage: trying to overwrite '/usr/include/bits', which is also in package libc6-dev-amd64 2.19-0ubuntu6.9
InstallationDate: Installed on 2016-01-06 (148 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.6
 apt 1.0.1ubuntu2.14
SourcePackage: eglibc
Title: package libc6-dev-i386 (not installed) failed to install/upgrade: trying to overwrite '/usr/include/bits', which is also in package libc6-dev-amd64 2.19-0ubuntu6.9
UpgradeStatus: No upgrade log present (probably fresh install)