AWG: This IP is not valid. Please repeat

[panniqi]

При конфигурации Amnezia WireGuard скриптом ругается на IP-адрес:

Enter internal IP address with subnet, example 192.168.100.5/24 (Address from [Interface]):
10.8.1.9/32
/dev/fd/64: line 256: egrep: not found
This IP is not valid. Please repeat
Пробую с 24ой маской:
Enter internal IP address with subnet, example 192.168.100.5/24 (Address from [Interface]):
10.8.1.9/24
/dev/fd/64: line 256: egrep: not found
This IP is not valid. Please repeat

Собственно строка из конфига AWG:
[Interface] Address = 10.8.1.8/32