[  521.523989] netdevsim netdevsim364 eni364np1: renamed from eth0
[  521.620053] netdevsim netdevsim600 eni600np1: renamed from eth1
[  521.877482] Could not find device with ifindex 2000 in netnsfd 11
[  521.877667] Could not find netns with fd: 2000
[  521.877752] Cannot link a netdevsim to itself
[  521.877845] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).