[  856.981109][T15785] netdevsim netdevsim268 eni268np1: renamed from eth0
[  856.997732][T15786] netdevsim netdevsim694 eni694np1: renamed from eth1
[  857.686850][T15772] Could not find device with ifindex 2000 in netnsfd 11
[  857.688020][T15772] Could not find netns with fd: 2000
[  857.688628][T15772] Cannot link a netdevsim to itself
[  857.689266][T15772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).