ZBX_NOTSUPPORTED: Cannot obtain a descriptor to access kernel virtual memory.

[dashy]

On 8.0 NetBSD 8.0 (GENERIC) #0.

/usr/zabbix4/bin/zabbix_get -s 127.0.0.1 -p10050 -k net.if.in[lo0,bytes]

ZBX_NOTSUPPORTED: Cannot obtain a descriptor to access kernel virtual memory.

net.if.in[lo0,bytes] [m|ZBX_NOTSUPPORTED] [Cannot find information for this network interface.]
net.if.out[lo0,bytes] [m|ZBX_NOTSUPPORTED] [Cannot find information for this network interface.]
net.if.total[lo0,bytes] [m|ZBX_NOTSUPPORTED] [Cannot find information for this network interface.]
net.if.collisions[lo0] [m|ZBX_NOTSUPPORTED] [Cannot find information for this network interface.]
net.if.discovery[lo0] [m|ZBX_NOTSUPPORTED] [Item does not allow parameters.]

Zabbix 4.0.2. Any way to fix this?