libtirpc1 не встретили зависимости

sudo apt-get -f install
Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 sudo dpkg --configure -a
 sudo apt-get install libtirpc1
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libbz2-1.0 : PreDepends: multiarch-support
 libc6 : Depends: libgcc1 but it is not going to be installed
         Breaks: libtirpc1 (< 0.2.3) but 0.2.2-5ubuntu2 is to be installed
 libc6-dev : Depends: libc-dev-bin (= 2.21-0experimental0)
 libdb5.3 : PreDepends: multiarch-support
 libmagic1 : PreDepends: multiarch-support
 libpcre3 : PreDepends: multiarch-support
 libssl1.0.0 : Depends: debconf (>= 0.5) but it is not going to be installed or
                        debconf-2.0
               PreDepends: multiarch-support
 libtirpc1 : Depends: libgssglue1 but it is not going to be installed
             PreDepends: multiarch-support
 libxml2 : Depends: liblzma5 (>= 5.1.1alpha+20120614) but it is not going to be installed
           PreDepends: multiarch-support
           Recommends: xml-core but it is not going to be installed
 php5-common : Depends: sed (>= 4.1.1-1)
               Depends: psmisc (>= 22.15-1~) but it is not going to be installed
               Depends: lsof but it is not going to be installed
               Depends: php5-json but it is not going to be installed
 tzdata : Depends: debconf (>= 0.5) but it is not going to be installed or
                   debconf-2.0
 ucf : Depends: debconf (>= 1.5.19) but it is not going to be installed
       Depends: coreutils (>= 5.91)
 zlib1g : PreDepends: multiarch-support
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

I tried a lot of things but i can't solve it. when i wan't to install libc6/trusty:

The following packages will be REMOVED:
  bluez-cups cups hplip indicator-printers lib32gcc1 libacl1:i386
  libasound2:i386 libattr1:i386 libavahi-client3:i386 libavahi-common3:i386
  libbz2-1.0:i386 libc-bin libc-dev-bin libc6:i386 libc6-dbg libc6-i386
  libcairo2:i386 libcap2:i386 libcgmanager0:i386 libcomerr2:i386 libcups2:i386
  libcupsfilters1:i386 libdatrie1:i386 libdb5.3:i386 libdbus-1-3:i386
  libdrm-intel1:i386 libdrm-nouveau2:i386 libdrm-radeon1:i386 libdrm2:i386
  libelf1:i386 libexif12:i386 libexpat1:i386 libffi6:i386 libfontconfig1:i386
  libfreetype6:i386 libgcc1:i386 libgcrypt11:i386 libgd3:i386
  libgl1-mesa-dri:i386 libgl1-mesa-glx:i386 libglapi-mesa:i386
  libglib2.0-0:i386 libglu1-mesa:i386 libgnutls26:i386 libgpg-error0:i386
  libgphoto2-6:i386 libgphoto2-port10:i386 libgpm2:i386 libgraphite2-3:i386
  libgssapi-krb5-2:i386 libgstreamer-plugins-base1.0-0:i386
  libgstreamer1.0-0:i386 libharfbuzz0b:i386 libibus-1.0-5:i386 libjbig0:i386
  libjpeg-turbo8:i386 libjpeg8:i386 libk5crypto3:i386 libkeyutils1:i386
  libkrb5-3:i386 libkrb5support0:i386 libllvm3.4:i386 libltdl7:i386
  liblzma5:i386 libncurses5:i386 libncursesw5:i386 libnih-dbus1:i386
  libnih1:i386 liborc-0.4-0:i386 libp11-kit0:i386 libpango-1.0-0:i386
  libpangocairo-1.0-0:i386 libpangoft2-1.0-0:i386 libpangox-1.0-0:i386
  libpangoxft-1.0-0:i386 libpciaccess0:i386 libpcre3:i386 libpixman-1-0:i386
  libpng12-0:i386 libqt4-xml:i386 libqtcore4:i386 libqtdbus4:i386
  libreadline6:i386 libsasl2-modules-db:i386 libsecret-1-0:i386
  libselinux1:i386 libslang2:i386 libstdc++6:i386 libtasn1-6:i386
  libthai0:i386 libtiff5:i386 libtinfo5:i386 libtxc-dxtn-s2tc0:i386
  libudev0:i386 libudev1:i386 libusb-1.0-0:i386 libuuid1:i386
  libvisual-0.4-0:i386 libvisual-0.4-plugins:i386 libvpx1:i386 libwebp5:i386
  libx11-6:i386 libx11-xcb1:i386 libxau6:i386 libxcb-dri2-0:i386
  libxcb-dri3-0:i386 libxcb-glx0:i386 libxcb-present0:i386 libxcb-render0:i386
  libxcb-shm0:i386 libxcb-sync1:i386 libxcb1:i386 libxdamage1:i386
  libxdmcp6:i386 libxext6:i386 libxfixes3:i386 libxft2:i386 libxml2:i386
  libxpm4:i386 libxrender1:i386 libxshmfence1:i386 libxxf86vm1:i386 nscd
  printer-driver-gutenprint printer-driver-hpcups printer-driver-splix
  steam:i386 zlib1g:i386
The following packages will be DOWNGRADED:
  libc6
WARNING: The following essential packages will be removed.
This should NOT be done unless you know exactly what you are doing!
  libc-bin

хорошо я не знаю, что Вы знаете точно, что Вы я делаю :D. я могу удалить пакет libc-мусорного-ведра?