[  750.876395][T13098] netdevsim netdevsim408 eni408np1: renamed from eth0
[  750.917226][T13101] netdevsim netdevsim536 eni536np1: renamed from eth1
[  751.613720][T13086] Could not find device with ifindex 2000 in netnsfd 11
[  751.615029][T13086] Could not find netns with fd: 2000
[  751.615644][T13086] Cannot link a netdevsim to itself
[  751.616430][T13086] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).