*** This bug is a duplicate of bug 530832 ***
https://bugs.launchpad.net/bugs/530832
Error is:
Configurando vsftpd (2.2.2-3ubuntu6) ...
vsftpd user (ftp) already exists, doing nothing.
chown: grupo inválido: «root:ftp»
dpkg: error al procesar vsftpd (--configure):
el subproceso script
** Attachment added: Dependencies.txt
https://bugs.launchpad.net/bugs/656465/+attachment/1677634/+files/Dependencies.txt
** Attachment added: Df.txt
https://bugs.launchpad.net/bugs/656465/+attachment/1677635/+files/Df.txt
** Attachment added: Dmesg.txt