[  759.401564][T14455] netdevsim netdevsim431 eni431np1: renamed from eth0
[  759.414461][T14457] netdevsim netdevsim649 eni649np1: renamed from eth1
[  759.968432][T14443] Could not find device with ifindex 2000 in netnsfd 11
[  759.969050][T14443] Could not find netns with fd: 2000
[  759.969877][T14443] Cannot link a netdevsim to itself
[  759.970409][T14443] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).