[  794.329498][T15634] netdevsim netdevsim271 eni271np1: renamed from eth0
[  794.348311][T15637] netdevsim netdevsim669 eni669np1: renamed from eth1
[  794.961168][T15622] Could not find device with ifindex 2000 in netnsfd 11
[  794.961731][T15622] Could not find netns with fd: 2000
[  794.962108][T15622] Cannot link a netdevsim to itself
[  794.962534][T15622] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).