FreeBSD升级后，添加用户出错adduser: ERROR: There was an error adding user
需要：
zpool upgrade -a
gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da0
FreeBSD升级后，添加用户出错adduser: ERROR: There was an error adding user
需要：
zpool upgrade -a
gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da0
