[  474.444445] netdevsim netdevsim473 eni473np1: renamed from eth0
[  474.445062] netdevsim netdevsim676 eni676np1: renamed from eth1
[  474.552498] Could not find device with ifindex 2000 in netnsfd 11
[  474.552603] Could not find netns with fd: 2000
[  474.552655] Cannot link a netdevsim to itself
[  474.552719] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).