Check communication failed checkmk - proxmox

Hi, thx very much for the manual.

The solution from command cmk no found: su cmk. xd

The result.

hostname
Addresses: 0.0.0.0
Tags: [address_family:ip-v4-only], [agent:cmk-agent], [criticality:prod], [networking:lan], [piggyback:auto-piggyback], [site:cmk], [snmp_ds:no-snmp]
Labels: [cmk/site:cmk]
Host groups: check_mk
Contact groups: check-mk-notify
Agent mode: No agent
Type of agent:
Process piggyback data from /omd/sites/cmk/tmp/check_mk/piggyback/hostname
PING only
Services:
checktype item params description groups


result hostname docker.

b89a53889908
Addresses: 172.17.0.3
Tags: [address_family:ip-v4-only], [agent:cmk-agent], [criticality:prod], [networking:lan], [piggyback:auto-piggyback], [site:cmk], [snmp_ds:no-snmp]
Labels: [cmk/site:cmk]
Host groups: check_mk
Contact groups: check-mk-notify
Agent mode: No agent
Type of agent:
Process piggyback data from /omd/sites/cmk/tmp/check_mk/piggyback/b89a53889908
PING only
Services:
checktype item params description groups