Linux Mint 17にVirtualboxをインストールする

ミントにVirtualBox 5をインストールしようとしています。これが出力です

$ sudo aptitude install virtualbox-5.0
The following NEW packages will be installed:
  virtualbox-5.0{b} 
0 packages upgraded, 1 newly installed, 0 to remove and 1 not upgraded.
Need to get 64.2 MB of archives. After unpacking 161 MB will be used.
The following packages have unmet dependencies:
 virtualbox-5.0 : Depends: libdevmapper1.02.1 (>= 2:1.02.99) but 2:1.02.77-6ubuntu2 is installed.
                  Depends: libstdc++6 (>= 5.2) but 4.8.4-2ubuntu1~14.04.1 is installed.
                  Depends: libvpx2 (>= 1.4.0) which is a virtual package.
The following actions will resolve these dependencies:

     Keep the following packages at their current version:
1)     virtualbox-5.0 [Not Installed]                     



Accept this solution? [Y/n/q/?] Y
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.

依存関係にはどのような問題がありますか？

出力sudo apt-cache policy virtualbox virtualbox-5.0 libdevmapper1.02.1 libstdc++6 libvpx2：

sudo apt-cache policy virtualbox virtualbox-5.0 libdevmapper1.02.1 libstdc++6 libvpx2
virtualbox:
  Installed: (none)
  Candidate: 4.3.36-dfsg-1+deb8u1ubuntu1.14.04.1
  Version table:
     4.3.36-dfsg-1+deb8u1ubuntu1.14.04.1 0
        500 http://archive.ubuntu.com/ubuntu/ trusty-updates/multiverse amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ trusty-security/multiverse amd64 Packages
     4.3.10-dfsg-1 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/multiverse amd64 Packages
virtualbox-5.0:
  Installed: (none)
  Candidate: 5.0.16-105871~Ubuntu~wily
  Version table:
     5.0.16-105871~Ubuntu~wily 0
        700 http://download.virtualbox.org/virtualbox/debian/ wily/contrib amd64 Packages
     5.0.2-102096~Ubuntu~trusty 0
        700 http://extra.linuxmint.com/ qiana/main amd64 Packages
libdevmapper1.02.1:
  Installed: 2:1.02.77-6ubuntu2
  Candidate: 2:1.02.77-6ubuntu2
  Version table:
 *** 2:1.02.77-6ubuntu2 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
        100 /var/lib/dpkg/status
libstdc++6:
  Installed: 4.8.4-2ubuntu1~14.04.1
  Candidate: 4.8.4-2ubuntu1~14.04.1
  Version table:
 *** 4.8.4-2ubuntu1~14.04.1 0
        500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     4.8.2-19ubuntu1 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
libvpx2:
  Installed: (none)
  Candidate: (none)
  Version table:

出力sudo apt-get install virtualbox-5：

sudo apt-get install virtualbox-5.0
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:
 virtualbox-5.0 : Depends: libdevmapper1.02.1 (>= 2:1.02.99) but 2:1.02.77-6ubuntu2 is to be installed
                  Depends: libstdc++6 (>= 5.2) but 4.8.4-2ubuntu1~14.04.1 is to be installed
                  Depends: libvpx2 (>= 1.4.0) but it is not installable
E: Unable to correct problems, you have held broken packages.