[  242.129073] netdevsim netdevsim706 eni706np1: renamed from eth1
[  242.229291] netdevsim netdevsim510 eni510np1: renamed from eth0
[  242.473633] Could not find device with ifindex 2000 in netnsfd 11
[  242.473751] Could not find netns with fd: 2000
[  242.473812] Cannot link a netdevsim to itself
[  242.473889] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).