[  787.439247][T15763] netdevsim netdevsim470 eni470np1: renamed from eth0
[  787.454307][T15764] netdevsim netdevsim538 eni538np1: renamed from eth1
[  788.019240][T15749] Could not find device with ifindex 2000 in netnsfd 11
[  788.019811][T15749] Could not find netns with fd: 2000
[  788.020282][T15749] Cannot link a netdevsim to itself
[  788.021196][T15749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).