[  760.462982][T14709] netdevsim netdevsim396 eni396np1: renamed from eth0
[  760.481023][T14711] netdevsim netdevsim538 eni538np1: renamed from eth1
[  761.055002][T14697] Could not find device with ifindex 2000 in netnsfd 11
[  761.055592][T14697] Could not find netns with fd: 2000
[  761.055976][T14697] Cannot link a netdevsim to itself
[  761.056441][T14697] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).