[  478.872715] netdevsim netdevsim416 eni416np1: renamed from eth0
[  478.873521] netdevsim netdevsim538 eni538np1: renamed from eth0
[  478.957281] Could not find device with ifindex 2000 in netnsfd 11
[  478.957438] Could not find netns with fd: 2000
[  478.957540] Cannot link a netdevsim to itself
[  478.957652] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).