[  762.479084][T14769] netdevsim netdevsim490 eni490np1: renamed from eth0
[  762.496027][T14771] netdevsim netdevsim626 eni626np1: renamed from eth1
[  763.166757][T14757] Could not find device with ifindex 2000 in netnsfd 11
[  763.167415][T14757] Could not find netns with fd: 2000
[  763.167789][T14757] Cannot link a netdevsim to itself
[  763.168227][T14757] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).