[  522.094154] netdevsim netdevsim716 eni716np1: renamed from eth1
[  522.191656] netdevsim netdevsim458 eni458np1: renamed from eth0
[  522.437307] Could not find device with ifindex 2000 in netnsfd 11
[  522.437517] Could not find netns with fd: 2000
[  522.437597] Cannot link a netdevsim to itself
[  522.437690] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).