Virtual package nslcd-2 is provided by:
dpkg-query: no packages found matching pynslcd Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend ||/ Name Version Architecture +++-==========-==========-==================================== ii nslcd 0.9.12-4 amd64 daemon for NSS and PAM lookups using LDAP 1 packages