[  487.344604] netdevsim netdevsim506 eni506np1: renamed from eth0
[  487.441992] netdevsim netdevsim676 eni676np1: renamed from eth1
[  487.674104] Could not find device with ifindex 2000 in netnsfd 11
[  487.674287] Could not find netns with fd: 2000
[  487.674374] Cannot link a netdevsim to itself
[  487.674466] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).