[  485.276465] netdevsim netdevsim268 eni268np1: renamed from eth0
[  485.277160] netdevsim netdevsim766 eni766np1: renamed from eth1
[  485.366060] Could not find device with ifindex 2000 in netnsfd 11
[  485.366157] Could not find netns with fd: 2000
[  485.366201] Cannot link a netdevsim to itself
[  485.366253] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).