issue-1657: fix resize for netlink device (#1899)

issue: #1657

fix proxy argument "--netlink" in e2e test
StartResult future doesn't contain any value as it was moved, so we need to remove this check and fail in message.Send

cloud/blockstore/libs/nbd/netlink_device.cpp

@@ -257,12 +257,6 @@ class TNetlinkDevice final
 
     NThreading::TFuture<NProto::TError> Resize(ui64 deviceSizeInBytes) override
     {
-        if (!StartResult.HasValue() || StartResult.GetValue().GetCode() != S_OK)
-        {
-            return NThreading::MakeFuture(
-                MakeError(E_FAIL, "Device is not open"));
-        }
-
         try {
             TNetlinkSocket socket;
             TNetlinkMessage message(socket.GetFamily(), NBD_CMD_RECONFIGURE);

cloud/blockstore/tests/python/lib/endpoint_proxy.py

@@ -12,7 +12,7 @@ def __init__(self, working_dir, unix_socket_path, with_netlink):
         ]
 
         if with_netlink:
-            command += "--netlink"
+            command += ["--netlink"]
 
         super(EndpointProxy, self).__init__(
             commands=[command],