[  522.074300] netdevsim netdevsim571 eni571np1: renamed from eth1
[  522.172780] netdevsim netdevsim265 eni265np1: renamed from eth0
[  522.432169] Could not find device with ifindex 2000 in netnsfd 11
[  522.432375] Could not find netns with fd: 2000
[  522.432459] Cannot link a netdevsim to itself
[  522.432569] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).