FTPが有効なクラスタでSSHログインに失敗する
環境
- ONTAP 9
 - Federal Information Processing Standard(FIPS;連邦情報処理標準)
 - 公開鍵認証
 
問題
ssh -vvv user_local@10.1.173.20
 ....
 debug1: Server accepts key: .ssh/id_ecdsa_netapp ECDSA SHA256:MIpX4+X1zrcpsZ2hbUTNGUUBwr/CHQQlfimmBsiaYDc explicit
 debug3: sign_and_send_pubkey: using publickey with ECDSA SHA256:MIpX4+X1zrcpsZ2hbUTNGUUBwr/CHQQlfimmBsiaYDc
 debug3: sign_and_send_pubkey: signing using ecdsa-sha2-nistp256 SHA256:MIpX4+X1zrcpsZ2hbUTNGUUBwr/CHQQlfimmBsiaYDc
 debug3: send packet: type 50
 debug3: receive packet: type 51 <---Packet type 51 indicates SSH user authentication failure  
 Authenticated using "publickey" with partial success
 debug1: Authentications that can continue: password,keyboard-interactive
 debug3: start over, passed a different list password,keyboard-interactive
 debug3: preferred gssapi-with-mic,publickey,keyboard-interactive,password
 debug3: authmethod_lookup keyboard-interactive
 debug3: remaining preferred: password
 debug3: authmethod_is_enabled keyboard-interactive
 debug1: Next authentication method: keyboard-interactive
 debug2: userauth_kbdint
 debug3: send packet: type 50
 debug2: we sent a keyboard-interactive packet, wait for reply
 debug3: receive packet: type 60
 debug2: input_userauth_info_req: entering
 debug2: input_userauth_info_req: num_prompts 1
 debug3: send packet: type 61
 debug3: receive packet: type 60
 debug2: input_userauth_info_req: entering
 debug2: input_userauth_info_req: num_prompts 0
 debug3: send packet: type 61
 debug3: receive packet: type 52Authenticated to xx.xx.xx.20 ([xx.xx.xx.20]:22) using "keyboard-interactive".