[  747.060318][T14432] netdevsim netdevsim475 eni475np1: renamed from eth0
[  747.085651][T14435] netdevsim netdevsim731 eni731np1: renamed from eth1
[  747.656041][T14420] Could not find device with ifindex 2000 in netnsfd 11
[  747.656542][T14420] Could not find netns with fd: 2000
[  747.657349][T14420] Cannot link a netdevsim to itself
[  747.657849][T14420] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).