[  760.243493][T14551] netdevsim netdevsim449 eni449np1: renamed from eth0
[  760.250976][T14552] netdevsim netdevsim588 eni588np1: renamed from eth1
[  760.813751][T14539] Could not find device with ifindex 2000 in netnsfd 11
[  760.814381][T14539] Could not find netns with fd: 2000
[  760.814853][T14539] Cannot link a netdevsim to itself
[  760.815372][T14539] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).