pls excuse my aged brain, now with a new blood clot.
IIRC adding 0.0.0.0 0.0.0.0 to your hosts file helps ???
On macOS;
% ping 0.0.0.0 PING 0.0.0.0 (0.0.0.0): 56 data bytes ping: sendto: Socket is not connected ping: sendto: Socket is not connected Request timeout for icmp_seq 0 ping: sendto: Socket is not connected Request timeout for icmp_seq 1 ping: sendto: Socket is not connected Request timeout for icmp_seq 2 ping: sendto: Socket is not connected Request timeout for icmp_seq 3
% ping 0 PING 0 (0.0.0.0): 56 data bytes ping: sendto: Socket is not connected
ping: sendto: Socket is not connected Request timeout for icmp_seq 0 ping: sendto: Socket is not connected Request timeout for icmp_seq 1 ping: sendto: Socket is not connected Request timeout for icmp_seq 2 ping: sendto: Socket is not connected Request timeout for icmp_seq 3 ping: sendto: Socket is not connected
Is this correct ???