[  459.002959] netdevsim netdevsim696 eni696np1: renamed from eth1
[  459.004147] netdevsim netdevsim356 eni356np1: renamed from eth0
[  459.086608] Could not find device with ifindex 2000 in netnsfd 11
[  459.086767] Could not find netns with fd: 2000
[  459.086875] Cannot link a netdevsim to itself
[  459.086993] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).