[  475.117924] netdevsim netdevsim404 eni404np1: renamed from eth0
[  475.119016] netdevsim netdevsim613 eni613np1: renamed from eth0
[  475.201000] Could not find device with ifindex 2000 in netnsfd 11
[  475.201141] Could not find netns with fd: 2000
[  475.201245] Cannot link a netdevsim to itself
[  475.201356] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).