[  483.927522] netdevsim netdevsim417 eni417np1: renamed from eth0
[  483.928675] netdevsim netdevsim580 eni580np1: renamed from eth1
[  484.013185] Could not find device with ifindex 2000 in netnsfd 11
[  484.013281] Could not find netns with fd: 2000
[  484.013323] Cannot link a netdevsim to itself
[  484.013374] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).