[  797.281811][T14563] netdevsim netdevsim468 eni468np1: renamed from eth0
[  797.296186][T14565] netdevsim netdevsim538 eni538np1: renamed from eth1
[  798.054855][T14551] Could not find device with ifindex 2000 in netnsfd 11
[  798.055400][T14551] Could not find netns with fd: 2000
[  798.057425][T14551] Cannot link a netdevsim to itself
[  798.058288][T14551] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).