Hi Thomas, The issue was related to an outdated slirp4netns which did not recognize the option '--netns-type'. A quick update solved the issue. Thanks On Mon, Apr 6, 2020 at 11:35 AM Thomas Monjalon wrote: > 06/04/2020 17:27, Brandon Lo: > > We have looked into this issue and resolved it. > > What is the resolution? > > > -- Brandon Lo UNH InterOperability Laboratory 21 Madbury Rd, Suite 100, Durham, NH 03824 blo@iol.unh.edu www.iol.unh.edu