[  487.055581] netdevsim netdevsim354 eni354np1: renamed from eth0
[  487.055815] netdevsim netdevsim662 eni662np1: renamed from eth1
[  487.145456] Could not find device with ifindex 2000 in netnsfd 11
[  487.145545] Could not find netns with fd: 2000
[  487.145589] Cannot link a netdevsim to itself
[  487.145638] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).