[  753.438264][T14648] netdevsim netdevsim394 eni394np1: renamed from eth0
[  753.458963][T14651] netdevsim netdevsim557 eni557np1: renamed from eth1
[  754.016962][T14636] Could not find device with ifindex 2000 in netnsfd 11
[  754.017490][T14636] Could not find netns with fd: 2000
[  754.017882][T14636] Cannot link a netdevsim to itself
[  754.018303][T14636] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).