[  487.856538] netdevsim netdevsim498 eni498np1: renamed from eth0
[  487.857776] netdevsim netdevsim652 eni652np1: renamed from eth1
[  487.949739] Could not find device with ifindex 2000 in netnsfd 11
[  487.949917] Could not find netns with fd: 2000
[  487.950039] Cannot link a netdevsim to itself
[  487.950185] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).