[  665.389383][T10035] netdevsim netdevsim376 eni376np1: renamed from eth0
[  665.410098][T10037] netdevsim netdevsim637 eni637np1: renamed from eth1
[  666.092967][T10024] Could not find device with ifindex 2000 in netnsfd 11
[  666.093812][T10024] Could not find netns with fd: 2000
[  666.094239][T10024] Cannot link a netdevsim to itself
[  666.094704][T10024] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).