[  530.264053] netdevsim netdevsim374 eni374np1: renamed from eth0
[  530.361558] netdevsim netdevsim757 eni757np1: renamed from eth1
[  530.596718] Could not find device with ifindex 2000 in netnsfd 11
[  530.596889] Could not find netns with fd: 2000
[  530.596995] Cannot link a netdevsim to itself
[  530.597091] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).