FreeBSD 12, arp -s/-f cannot allocate memory

[Wojciech Puchar]

>
>> arp in FreeBSD 12 cannot fill static entries for interface that is set to up by ifconfig but no cable plugged.
>> it says "cannot allocate memory"
>> when cable is plugged it works properly.
>> why?
>
> No enough information, you should describe your network configuration in details.
>
> Maybe the interface in question obtains IP address via DHCP and it cannot be configured without cable plugged in,

More details when i will be able to log in to this computer (now it's 
powered off).

No - all interfaces are statically configured. The one i talk about is 
re(4) with 10.1.0.1/24 address.

No DHCP client. No devd running. But dhcpd runs on re0.