[  520.164461] netdevsim netdevsim490 eni490np1: renamed from eth0
[  520.262038] netdevsim netdevsim733 eni733np1: renamed from eth1
[  520.491976] Could not find device with ifindex 2000 in netnsfd 11
[  520.492177] Could not find netns with fd: 2000
[  520.492261] Cannot link a netdevsim to itself
[  520.492395] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).