return a PCAP error when trying to start a capture from an unknown adapter name

CHANGELOG.md

@@ -4,6 +4,7 @@ All Sniffnet releases with the relative changes are documented in this file.
 
 ## [UNRELEASED]
 - Add animated welcome screen ([#1002](https://github.com/GyulyVGC/sniffnet/pull/1002))
+- Return a PCAP error when trying to start a capture from an unknown adapter name
 
 ## [1.4.2] - 2025-11-04
 - Send remote notifications via webhook ([#991](https://github.com/GyulyVGC/sniffnet/pull/991) — fixes [#841](https://github.com/GyulyVGC/sniffnet/issues/841))

src/networking/types/my_device.rs

@@ -20,12 +20,12 @@ impl MyDevice {
                 return device;
             }
         }
-        Device::lookup().unwrap_or(None).unwrap_or_else(|| Device {
+        Device {
             name: String::new(),
             desc: None,
             addresses: vec![],
             flags: DeviceFlags::empty(),
-        })
+        }
     }
 
     pub fn from_pcap_device(device: Device) -> Self {