This bug was fixed in the package percona-xtrabackup - 2.3.7-0ubuntu0.16.10.2
--------------- percona-xtrabackup (2.3.7-0ubuntu0.16.10.2) yakkety; urgency=medium
* Fix regression in default UNIX socket path for MySQL due to missing compilation flags (LP: #1678574).
-- James Page <email address hidden> Tue, 04 Apr 2017 10:56:37 +0100
This bug was fixed in the package percona-xtrabackup - 2.3.7-0ubuntu0. 16.10.2
--------------- 0ubuntu0. 16.10.2) yakkety; urgency=medium
percona-xtrabackup (2.3.7-
* Fix regression in default UNIX socket path for MySQL due to missing
compilation flags (LP: #1678574).
-- James Page <email address hidden> Tue, 04 Apr 2017 10:56:37 +0100