[  773.113697][T14760] netdevsim netdevsim324 eni324np1: renamed from eth0
[  773.130765][T14762] netdevsim netdevsim679 eni679np1: renamed from eth1
[  773.792239][T14748] Could not find device with ifindex 2000 in netnsfd 11
[  773.792765][T14748] Could not find netns with fd: 2000
[  773.793116][T14748] Cannot link a netdevsim to itself
[  773.793641][T14748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).