[  484.411836] netdevsim netdevsim314 eni314np1: renamed from eth0
[  484.513504] netdevsim netdevsim545 eni545np1: renamed from eth1
[  484.879366] Could not find device with ifindex 2000 in netnsfd 11
[  484.879551] Could not find netns with fd: 2000
[  484.879648] Cannot link a netdevsim to itself
[  484.879758] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).