[  812.989925][T14769] netdevsim netdevsim373 eni373np1: renamed from eth0
[  813.006005][T14771] netdevsim netdevsim566 eni566np1: renamed from eth1
[  813.651787][T14757] Could not find device with ifindex 2000 in netnsfd 11
[  813.652615][T14757] Could not find netns with fd: 2000
[  813.653026][T14757] Cannot link a netdevsim to itself
[  813.653516][T14757] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).