nslcd shuts down before sshd, causing errors

[ben thielsen]

1] >lsb_release -rd
Description: Ubuntu 17.04
Release: 17.04

2] >apt-cache policy systemd
systemd:
  Installed: 232-21ubuntu5
  Candidate: 232-21ubuntu5
  Version table:
 *** 232-21ubuntu5 500
        500 http://dca-ubuntu-repo.ipipenet.com/ubuntu zesty-updates/main amd64 Packages
        500 http://dca-ubuntu-repo.ipipenet.com/ubuntu-security zesty-security/main amd64 Packages
        100 /var/lib/dpkg/status
     232-21ubuntu2 500
        500 http://dca-ubuntu-repo.ipipenet.com/ubuntu zesty/main amd64 Packages

3] i expected nslcd to not be terminated when sshd still needs it
4] it was

logs:
Aug 30 15:17:26 template nslcd[956]: thread 1 is still running, shutting down anyway
Aug 30 15:17:26 template sshd[988]: pam_ldap(sshd:session): error opening connection to nslcd: No such file or directory
Aug 30 15:17:26 template sshd[988]: pam_systemd(sshd:session): Failed to release session: Connection reset by peer
Aug 30 15:17:26 template sshd[988]: pam_mail(sshd:session): user unknown
Aug 30 15:17:26 template sshd[988]: fatal: login_init_entry: Cannot find user "jdoe"