Pull request: 4836-revert-dhcp-upd

Updates #4836.

Squashed commit of the following:

commit 6fe1721d44be1c23e524d477e28b5f7cc5dd2dc6
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Aug 15 17:48:41 2022 +0300

    dhcpd: reverd mod upd

internal/dhcpd/v4.go

@@ -20,7 +20,9 @@ import (
 	"github.com/go-ping/ping"
 	"github.com/insomniacslk/dhcp/dhcpv4"
 	"github.com/insomniacslk/dhcp/dhcpv4/server4"
-	"github.com/mdlayher/packet"
+
+	//lint:ignore SA1019 See the TODO in go.mod.
+	"github.com/mdlayher/raw"
 )
 
 // v4Server is a DHCPv4 server.
@@ -992,7 +994,7 @@ func (s *v4Server) send(peer net.Addr, conn net.PacketConn, req, resp *dhcpv4.DH
 		// Unicast DHCPOFFER and DHCPACK messages to the client's
 		// hardware address and yiaddr.
 		peer = &dhcpUnicastAddr{
-			Addr:   packet.Addr{HardwareAddr: req.ClientHWAddr},
+			Addr:   raw.Addr{HardwareAddr: req.ClientHWAddr},
 			yiaddr: resp.YourIPAddr,
 		}
 	default: