[  486.554060] netdevsim netdevsim290 eni290np1: renamed from eth0
[  486.654816] netdevsim netdevsim716 eni716np1: renamed from eth1
[  487.003267] Could not find device with ifindex 2000 in netnsfd 11
[  487.003418] Could not find netns with fd: 2000
[  487.003500] Cannot link a netdevsim to itself
[  487.003587] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).