Computer Tips - Linux: fatal: inet_addr_local[getifaddrs]: getifaddrs: Address family not supported by protocol

Date: 2022feb14 OS: Linux Q. Linux: fatal: inet_addr_local[getifaddrs]: getifaddrs: Address family not supported by protocol A. This could be cause by systemd unit restrictions, add AF_NETLINK
RestrictAddressFamilies=... AF_NETLINK