[  820.960364][T15815] netdevsim netdevsim489 eni489np1: renamed from eth0
[  820.977105][T15816] netdevsim netdevsim551 eni551np1: renamed from eth1
[  821.711288][T15801] Could not find device with ifindex 2000 in netnsfd 11
[  821.712343][T15801] Could not find netns with fd: 2000
[  821.713597][T15801] Cannot link a netdevsim to itself
[  821.714679][T15801] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).