[  698.677456][T13064] netdevsim netdevsim494 eni494np1: renamed from eth0
[  698.706349][T13066] netdevsim netdevsim645 eni645np1: renamed from eth1
[  699.314673][T13052] Could not find device with ifindex 2000 in netnsfd 11
[  699.315546][T13052] Could not find netns with fd: 2000
[  699.315946][T13052] Cannot link a netdevsim to itself
[  699.316724][T13052] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).