[  525.122384] netdevsim netdevsim416 eni416np1: renamed from eth0
[  525.220144] netdevsim netdevsim703 eni703np1: renamed from eth1
[  525.507752] Could not find device with ifindex 2000 in netnsfd 11
[  525.507972] Could not find netns with fd: 2000
[  525.508063] Cannot link a netdevsim to itself
[  525.508185] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).