[  484.492309] netdevsim netdevsim734 eni734np1: renamed from eth1
[  484.588980] netdevsim netdevsim499 eni499np1: renamed from eth0
[  484.802038] Could not find device with ifindex 2000 in netnsfd 11
[  484.802340] Could not find netns with fd: 2000
[  484.802426] Cannot link a netdevsim to itself
[  484.802529] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).