[  834.828840][T15773] netdevsim netdevsim445 eni445np1: renamed from eth0
[  834.861741][T15775] netdevsim netdevsim616 eni616np1: renamed from eth1
[  835.613400][T15761] Could not find device with ifindex 2000 in netnsfd 11
[  835.614290][T15761] Could not find netns with fd: 2000
[  835.614888][T15761] Cannot link a netdevsim to itself
[  835.616191][T15761] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).