Set the right MTU on tun0 too
@@ -252,6 +252,7 @@ func (c *FlowController) Setup(localSubnetCIDR, clusterNetworkCIDR, servicesNetw
itx = ipcmd.NewTransaction(TUN)
itx.AddAddress(gwCIDR)
defer deleteLocalSubnetRoute(TUN, localSubnetCIDR)
+ itx.SetLink("mtu", mtuStr)
itx.SetLink("up")
itx.AddRoute(clusterNetworkCIDR, "proto", "kernel", "scope", "link")
itx.AddRoute(servicesNetworkCIDR)
