root@kakkosmasse:~# klist -k
Keytab name: WRFILE:/etc/krb5.keytab
KVNO Principal
---- --------------------------------------------------------------------------
  22 host/kakkosmasse.hytest.helsinki.fi@HYTEST.HELSINKI.FI
  22 host/kakkosmasse.hytest.helsinki.fi@HYTEST.HELSINKI.FI
  22 host/kakkosmasse.hytest.helsinki.fi@HYTEST.HELSINKI.FI
  22 host/KAKKOSMASSE@HYTEST.HELSINKI.FI
  22 host/KAKKOSMASSE@HYTEST.HELSINKI.FI
  22 host/KAKKOSMASSE@HYTEST.HELSINKI.FI
  22 KAKKOSMASSE$@HYTEST.HELSINKI.FI
  22 KAKKOSMASSE$@HYTEST.HELSINKI.FI
  22 KAKKOSMASSE$@HYTEST.HELSINKI.FI

root@kakkosmasse:~# for i in `klist -k | grep HYTEST | awk ' { print $2 }'` ; do echo $i ; kinit -k $i && break ; done 
host/kakkosmasse.hytest.helsinki.fi@HYTEST.HELSINKI.FI
kinit: Client not found in Kerberos database while getting initial credentials
host/kakkosmasse.hytest.helsinki.fi@HYTEST.HELSINKI.FI
kinit: Client not found in Kerberos database while getting initial credentials
host/kakkosmasse.hytest.helsinki.fi@HYTEST.HELSINKI.FI
kinit: Client not found in Kerberos database while getting initial credentials
host/KAKKOSMASSE@HYTEST.HELSINKI.FI
kinit: Client not found in Kerberos database while getting initial credentials
host/KAKKOSMASSE@HYTEST.HELSINKI.FI
kinit: Client not found in Kerberos database while getting initial credentials
host/KAKKOSMASSE@HYTEST.HELSINKI.FI
kinit: Client not found in Kerberos database while getting initial credentials
KAKKOSMASSE$@HYTEST.HELSINKI.FI
kinit: Key table entry not found while getting initial credentials
KAKKOSMASSE$@HYTEST.HELSINKI.FI
kinit: Key table entry not found while getting initial credentials
KAKKOSMASSE$@HYTEST.HELSINKI.FI
kinit: Key table entry not found while getting initial credentials