install 4.4 failed

[zhfish]

Errors were encountered while processing:
postfix
bsd-mailx
pve-manager
proxmox-ve
command 'chroot /target dpkg --force-confold --configure -a' failed with exit code 1 at /usr/bin/proxinstall line 349
umount: /target/var/lib/vz: not mounted

cpu: E5-2673v4 *2
memory: 32g * 8
disk: 128g ssd

 

[dietmar]

You can find more detailed logs in /tmp/install.log

 

[zhfish]

it's fine.
hostname :
cloud.21 is error
cloud-21.net is ok