Update

vendor/tailscale.com/control/controlhttp/constants.go

@@ -12,6 +12,7 @@ import (
 	"tailscale.com/health"
 	"tailscale.com/net/dnscache"
 	"tailscale.com/net/netmon"
+	"tailscale.com/net/netx"
 	"tailscale.com/tailcfg"
 	"tailscale.com/tstime"
 	"tailscale.com/types/key"
@@ -66,7 +67,7 @@ type Dialer struct {
 	// Dialer is the dialer used to make outbound connections.
 	//
 	// If not specified, this defaults to net.Dialer.DialContext.
-	Dialer dnscache.DialContextFunc
+	Dialer netx.DialFunc
 
 	// DNSCache is the caching Resolver used by this Dialer.
 	//
@@ -77,8 +78,8 @@ type Dialer struct {
 	// dropped.
 	Logf logger.Logf
 
-	// NetMon is the [netmon.Monitor] to use for this Dialer. It must be
-	// non-nil.
+	// NetMon is the [netmon.Monitor] to use for this Dialer.
+	// It is optional.
 	NetMon *netmon.Monitor
 
 	// HealthTracker, if non-nil, is the health tracker to use.
@@ -97,7 +98,6 @@ type Dialer struct {
 	logPort80Failure atomic.Bool
 
 	// For tests only
-	drainFinished        chan struct{}
 	omitCertErrorLogging bool
 	testFallbackDelay    time.Duration