Failed to gather CPU utilization data for FreeBSD 11.4 host

[przmv]

ERROR! 34.141.82.254: [Errno 2] No such file or directory: '/proc/stat'
{
    "servers": [
        {
            "cpu_count": 1,
            "cpu_name": "Intel(R) Xeon(R) CPU @ 2.20GHz (1958.42-MHz K8-class CPU)",
            "fqdn": "freebsd-11.c.machine-stats-workshop.internal",
            "host_name": "freebsd-11",
            "ip_addresses": [
                "10.156.0.2",
                "fe80::4001:aff:fe9c:2%vtnet0"
            ],
            "operating_system": "FreeBSD",
            "operating_system_version": "11.4",
            "ram_allocated_gb": 0.5498046875,
            "ram_used_gb": 0.490234375,
            "storage_allocated_gb": 20.327999114990234,
            "storage_used_gb": 6.668373107910156
        }
    ]
}
MACHINE STATS RECAP
34.141.82.254              : ok=1    changed=0    unreachable=0    failed=1    skipped=0    rescued=0    ignored=0