[  834.746039][T15849] netdevsim netdevsim304 eni304np1: renamed from eth0
[  834.758352][T15850] netdevsim netdevsim597 eni597np1: renamed from eth1
[  835.393811][T15835] Could not find device with ifindex 2000 in netnsfd 11
[  835.394656][T15835] Could not find netns with fd: 2000
[  835.395172][T15835] Cannot link a netdevsim to itself
[  835.395714][T15835] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).