[  457.470021] netdevsim netdevsim383 eni383np1: renamed from eth0
[  457.470436] netdevsim netdevsim544 eni544np1: renamed from eth1
[  457.575537] Could not find device with ifindex 2000 in netnsfd 11
[  457.575638] Could not find netns with fd: 2000
[  457.575682] Cannot link a netdevsim to itself
[  457.575732] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).