Pull request 2245: 4923 gopacket DHCP vol.8

Updates #4923.

Squashed commit of the following:

commit 0bfccf8bc1e63c4f5a01ce7f268e767969b368a0
Merge: 305f9fe2f 0e5e8e4dd
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Jul 3 15:12:43 2024 +0300

    Merge branch 'master' into 4923-gopacket-dhcp-vol.8

commit 305f9fe2fec033f28385dfe2bbee6a27a83b9702
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Jul 2 17:03:01 2024 +0300

    dhcpsvc: adjust interface

commit f05b9f42e2f50325ddaf09b5fed84b62e48c5120
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Jul 2 16:59:39 2024 +0300

    dhcpsvc: use logger

commit 4779f945baf9c8722d07d589928a86290a37d3ab
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Jul 2 14:59:22 2024 +0300

    dhcpsvc: add todo

commit ae1713e5f717a66863eb0289e3aa66c7069ac8bf
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Jul 1 15:49:22 2024 +0300

    dhcpsvc: use slog

internal/dhcpsvc/config_test.go

@@ -23,7 +23,8 @@ func TestConfig_Validate(t *testing.T) {
 	}, {
 		name: "empty",
 		conf: &dhcpsvc.Config{
-			Enabled: true,
+			Enabled:    true,
+			Interfaces: testInterfaceConf,
 		},
 		wantErrMsg: `bad domain name "": domain name is empty`,
 	}, {