Force delete the route twice to prevent failure

network/route.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"net"
 	"os/exec"
+	"time"
 )
 
 // Route describes a Windows network route
@@ -22,6 +23,12 @@ func NewRoute(network net.IPNet, ifaceID string) Route {
 func (r *Route) Remove() ([]byte, error) {
 	out, err := exec.Command("netsh", "interface", "ipv4", "delete", "route", r.Network.String(), r.InterfaceID).Output()
 
+	// For some reason this requires multiple removals to work with the VPN, attempt a second removal if the first succeeds
+	if err == nil {
+		time.Sleep(500 * time.Millisecond)
+		exec.Command("netsh", "interface", "ipv4", "delete", "route", r.Network.String(), r.InterfaceID).Output()
+	}
+
 	return out, err
 }