Paws has a query killer component that is currently not working. We need to analyse if we should fix this or leave it to general query killer on WikiReplicas.
DBI connect(';host=enwiki.analytics.db.svc.eqiad.wmflabs;mysql_read_default_group=client','****',...) failed: SSL connection error: unknown error number at /usr/bin/pt-kill line 2087.
By the way, the pt-kill used is the one shipped with percona-toolkit in Ubuntu Artful Aardvark which comes out as version 2.2.0. This maybe as simple as using a more current pt-kill or a patched version.