conntrack

type FakeInterface struct {
	ClearedIPs      sets.Set[string]
	ClearedPorts    sets.Set[int]
	ClearedNATs     map[string]string // origin -> dest
	ClearedPortNATs map[int]string    // port -> dest
}

type Interface interface {
	// ClearEntriesForIP deletes conntrack entries for connections of the given
	// protocol, to the given IP.
	ClearEntriesForIP(ip string, protocol v1.Protocol) error

	// ClearEntriesForPort deletes conntrack entries for connections of the given
	// protocol and IP family, to the given port.
	ClearEntriesForPort(port int, isIPv6 bool, protocol v1.Protocol) error

	// ClearEntriesForNAT deletes conntrack entries for connections of the given
	// protocol, which had been DNATted from origin to dest.
	ClearEntriesForNAT(origin, dest string, protocol v1.Protocol) error

	// ClearEntriesForPortNAT deletes conntrack entries for connections of the given
	// protocol, which had been DNATted from the given port (on any IP) to dest.
	ClearEntriesForPortNAT(dest string, port int, protocol v1.Protocol) error
}