[  479.076559] netdevsim netdevsim268 eni268np1: renamed from eth0
[  479.077357] netdevsim netdevsim627 eni627np1: renamed from eth0
[  479.171104] Could not find device with ifindex 2000 in netnsfd 11
[  479.171220] Could not find netns with fd: 2000
[  479.171280] Cannot link a netdevsim to itself
[  479.171342] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).