[  725.085278][T13053] netdevsim netdevsim487 eni487np1: renamed from eth0
[  725.103557][T13055] netdevsim netdevsim564 eni564np1: renamed from eth1
[  725.856075][T13041] Could not find device with ifindex 2000 in netnsfd 11
[  725.856904][T13041] Could not find netns with fd: 2000
[  725.857299][T13041] Cannot link a netdevsim to itself
[  725.857734][T13041] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).