diff --git a/uncloud/hack/net.py b/uncloud/hack/net.py
index f28ab7f..4887e04 100644
--- a/uncloud/hack/net.py
+++ b/uncloud/hack/net.py
@@ -79,7 +79,7 @@ class DNSRA(object):
 
 
     # Command to start dnsmasq
-    cmd_start_dnsmasq="{sudo}dnsmasq --interface={bridgedev} --bind-interfaces --dhcp-range={route},ra-only,infinite --enable-ra"
+    cmd_start_dnsmasq="{sudo}dnsmasq --interface={bridgedev} --bind-interfaces --dhcp-range={route},ra-only,infinite --enable-ra --no-daemon"
 
     def __init__(self,
                  vni,