[  752.416637][T14452] netdevsim netdevsim406 eni406np1: renamed from eth0
[  752.432745][T14454] netdevsim netdevsim684 eni684np1: renamed from eth1
[  753.020464][T14440] Could not find device with ifindex 2000 in netnsfd 11
[  753.021127][T14440] Could not find netns with fd: 2000
[  753.021613][T14440] Cannot link a netdevsim to itself
[  753.022225][T14440] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).