Red Hat Identity Management KDCの使用時にデータLIFでKerberosを有効にできない

環境

• ONTAP 9
• Red Hat Identity Management（IDM）
• キー配布センター（KDC）

問題

データLIFでNFS Kerberosを有効にしたあとに表示されるエラー：

Error: NFS Kerberos bind SPN procedure failed
  [  0 ms] Creating account in Unix KDC
  [   29] Successfully connected to ip 10.10.10.10, port 749 using
      TCP
**[   133] FAILURE: Unexpected state: Error 1142 at
**      file:src/utils/secd_kadmin_utils.cpp
**      func:createVifKrbAccountUsingKadmin line:227
**[   133] FAILURE: spn already exists. Failed to reuse spn
**      'nfs/nfs/demo-ipa.centos-ldap.local@CENTOS-LDAP.LOCAL' using admin spn
**      'kadmin/admin@CENTOS-LDAP.LOCAL', error: Unknown code 0
  [   134] Uncaptured failure while creating account

Error: command failed: Failed to enable NFS Kerberos on LIF "demo-ipa". 
Failed to bind service principal name on LIF "demo-ipa". cifs smb kadmin error.