No se han podido extraer las fuentes de instalacion

emilio <[email protected]>
Newsgroups gmane.linux.debian.devel.www
Message-ID <[email protected]>
W: Duplicate sources.list entry ftp://ftp.es.debian.org/debian/ 
testing/main amd64 Packages 
(/var/lib/apt/lists/ftp.es.debian.org_debian_dists_testing_main_binary-amd64_Packages)
W: Duplicate sources.list entry ftp://ftp.es.debian.org/debian/ 
testing/contrib amd64 Packages 
(/var/lib/apt/lists/ftp.es.debian.org_debian_dists_testing_contrib_binary-amd64_Packages)
W: Duplicate sources.list entry ftp://ftp.es.debian.org/debian/ 
testing/non-free amd64 Packages 
(/var/lib/apt/lists/ftp.es.debian.org_debian_dists_testing_non-free_binary-amd64_Packages)
W: Duplicate sources.list entry ftp://ftp.es.debian.org/debian/ 
testing/non-free amd64 Packages 
(/var/lib/apt/lists/ftp.es.debian.org_debian_dists_testing_non-free_binary-amd64_Packages)
W: You may want to run apt-get update to correct these problems
W: Failed to fetch ftp://ftp.es.debian.org/debian/dists/testing/Release 
Unable to find expected entry 'deb-src/binary-amd64/Packages' in Release 
file (Wrong sources.list entry or malforme…

E: Some index files failed to download. They have been ignored, or old 
ones used instead.
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource 
temporarily unavailable)
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