使用 CIFS VFS 挂载 CIFS 共享失败：在 SessSetup = -5 时发送错误

Issue

• 未能挂载 CIFS 共享，文件 /var/log/messages 显示以下错误

messages:Mar  9 14:33:11 client kernel: CIFS: Attempting to mount //10.129.86.5/APMCIFSUAT
messages:Mar  9 14:33:11 client kernel: No dialect specified on mount. Default has changed to a more secure dialect, SMB2.1 or later (e.g. SMB3), from CIFS (SMB1). To use the less secure SMB1 dialect to access old servers which do not support SMB3 (or SMB2.1) specify vers=1.0 on mount.
messages:Mar  9 14:33:16 client kernel: CIFS VFS: \\10.129.86.5 Send error in SessSetup = -5
messages:Mar  9 14:33:16 client kernel: CIFS VFS: cifs_mount failed w/return code = -2