[  518.252584] netdevsim netdevsim704 eni704np1: renamed from eth1
[  518.349612] netdevsim netdevsim314 eni314np1: renamed from eth0
[  518.572230] Could not find device with ifindex 2000 in netnsfd 11
[  518.572423] Could not find netns with fd: 2000
[  518.572497] Cannot link a netdevsim to itself
[  518.572599] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).