[  757.445562][T14751] netdevsim netdevsim406 eni406np1: renamed from eth0
[  757.452439][T14753] netdevsim netdevsim537 eni537np1: renamed from eth1
[  758.006336][T14739] Could not find device with ifindex 2000 in netnsfd 11
[  758.006979][T14739] Could not find netns with fd: 2000
[  758.007459][T14739] Cannot link a netdevsim to itself
[  758.008010][T14739] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).