[  774.842586][T14783] netdevsim netdevsim426 eni426np1: renamed from eth0
[  774.861467][T14785] netdevsim netdevsim743 eni743np1: renamed from eth1
[  775.433376][T14771] Could not find device with ifindex 2000 in netnsfd 11
[  775.434097][T14771] Could not find netns with fd: 2000
[  775.434653][T14771] Cannot link a netdevsim to itself
[  775.435661][T14771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).