[  459.731816] netdevsim netdevsim286 eni286np1: renamed from eth0
[  459.732328] netdevsim netdevsim662 eni662np1: renamed from eth1
[  459.826459] Could not find device with ifindex 2000 in netnsfd 11
[  459.826565] Could not find netns with fd: 2000
[  459.826622] Cannot link a netdevsim to itself
[  459.826683] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).