[  485.847963] netdevsim netdevsim344 eni344np1: renamed from eth0
[  485.848489] netdevsim netdevsim578 eni578np1: renamed from eth1
[  485.932715] Could not find device with ifindex 2000 in netnsfd 11
[  485.932815] Could not find netns with fd: 2000
[  485.932870] Cannot link a netdevsim to itself
[  485.932932] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).