[CRITICAL] Rendering SLS 'base:services.syslog-ng.config' failed: Jinja syntax error: can't assign to 'const'
/var/cache/salt/minion/files/base/services/syslog-ng/map.jinja(1):
---
{% set 'syslog-ng' = salt['grains.filter_by']({    <======================
'RedHat': {
        'package': 'syslog-ng',
        'service': 'syslog-ng',
        'syslog_ng_config': '/etc/syslog-ng/syslog-ng.conf',
        'syslog_ng_config_src': 'salt://syslog-ng/files/syslog-ng.conf',
[...]
---
[CRITICAL] Rendering SLS 'base:services.syslog-ng.init' failed: Jinja syntax error: expected token 'block_end', got '-'; line 1

---
{% from "services/syslog-ng/map.jinja" import syslog-ng with context %}    <======================

syslog-ng:
  pkg.installed:
    - name: {{ syslog-ng.package }}

[...]
---