Não é possível resolver os pacotes quebrados durante a reinstalação do nginx - Ubuntu 14.04

Question

Como posso me livrar de deps não atendidos e instalar?

O que o console lê quando digito 'apt-cache policy nginx libpcre3': '

Installed: (none)
  Candidate: 1.4.6-1ubuntu3.7
  Version table:
     1.4.6-1ubuntu3.7 0
        500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        500 http://archive.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
     1.4.6-1ubuntu3 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
libpcre3:
  Installed: 1:8.31-2ubuntu2.3
  Candidate: 1:8.31-2ubuntu2.3
  Version table:
 *** 1:8.31-2ubuntu2.3 0
        500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     1:8.31-2ubuntu2.2 0
        500 http://archive.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
     1:8.31-2ubuntu2 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages

'