Solved by reinstalling the package libtasn1-6:amd64
see https://answers.launchpad.net/ubuntu/+question/657133
** Changed in: libtasn1-6 (Ubuntu)
Status: New => Invalid
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** Tags removed: need-duplicate-check
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https://bugs.launchpad.net/bugs/1697075
Title:
package libtasn1-6:amd64 4.7-3ubuntu0.16.04.2 failed to
install/upgrade: package
