[  753.648670][T14753] netdevsim netdevsim399 eni399np1: renamed from eth0
[  753.664189][T14755] netdevsim netdevsim592 eni592np1: renamed from eth1
[  754.207933][T14741] Could not find device with ifindex 2000 in netnsfd 11
[  754.208431][T14741] Could not find netns with fd: 2000
[  754.208787][T14741] Cannot link a netdevsim to itself
[  754.209298][T14741] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).