[Samba] Debian upgrade gone wrong

[David Lee]

I have messed up somehow on upgrading using binaries on a Debian system 
for a single DC on a very small network, and now get
> root at local_dc:/# samba -id 2
> lpcfg_load: refreshing parameters from /etc/samba/smb.conf
> samba version 4.1.17-Debian started.
> Copyright Andrew Tridgell and the Samba Team 1992-2013
> samba: using 'standard' process model
> samba: setproctitle not initialized, please either call 
> setproctitle_init() or link against libbsd-ctor.
> samba: setproctitle not initialized, please either call 
> setproctitle_init() or link against libbsd-ctor.
> samba: setproctitle not initialized, please either call 
> setproctitle_init() or link against libbsd-ctor.
> samba: setproctitle not initialized, please either call 
> setproctitle_init() or link against libbsd-ctor.
> samba: setproctitle not initialized, please either call 
> setproctitle_init() or link against libbsd-ctor.
> Failed to start service 'kdc' - NT_STATUS_INVALID_SYSTEM_SERVICE
> STATUS=daemon failed to start: Samba failed to start services, error 
> code -1073741796
> samba: setproctitle not initialized, please either call 
> setproctitle_init() or link against libbsd-ctor.
Please advise on what I should check or do.
Many thanks.
David Lee