chore(netlink): define own types with minimal fields

- Allow to swap `github.com/vishvananda/netlink`
- Allow to add build tags for each platform
- One step closer to development on non-Linux platforms

internal/netlink/address.go

@@ -1,14 +1,40 @@
 package netlink
 
-import "github.com/vishvananda/netlink"
+import (
+	"net/netip"
 
-type Addr = netlink.Addr
+	"github.com/vishvananda/netlink"
+)
+
+type Addr struct {
+	Network netip.Prefix
+}
+
+func (a Addr) String() string {
+	return a.Network.String()
+}
 
 func (n *NetLink) AddrList(link Link, family int) (
 	addresses []Addr, err error) {
-	return netlink.AddrList(link, family)
+	netlinkLink := linkToNetlinkLink(&link)
+	netlinkAddresses, err := netlink.AddrList(netlinkLink, family)
+	if err != nil {
+		return nil, err
+	}
+
+	addresses = make([]Addr, len(netlinkAddresses))
+	for i := range netlinkAddresses {
+		addresses[i].Network = netIPNetToNetipPrefix(netlinkAddresses[i].IPNet)
+	}
+
+	return addresses, nil
 }
 
-func (n *NetLink) AddrReplace(link Link, addr *Addr) error {
-	return netlink.AddrReplace(link, addr)
+func (n *NetLink) AddrReplace(link Link, addr Addr) error {
+	netlinkLink := linkToNetlinkLink(&link)
+	netlinkAddress := netlink.Addr{
+		IPNet: netipPrefixToIPNet(addr.Network),
+	}
+
+	return netlink.AddrReplace(netlinkLink, &netlinkAddress)
 }