[  752.334473][T14633] netdevsim netdevsim473 eni473np1: renamed from eth0
[  752.359100][T14635] netdevsim netdevsim525 eni525np1: renamed from eth1
[  752.902041][T14621] Could not find device with ifindex 2000 in netnsfd 11
[  752.902647][T14621] Could not find netns with fd: 2000
[  752.903410][T14621] Cannot link a netdevsim to itself
[  752.903990][T14621] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).