[  472.297788] netdevsim netdevsim405 eni405np1: renamed from eth0
[  472.298634] netdevsim netdevsim758 eni758np1: renamed from eth0
[  472.371028] Could not find device with ifindex 2000 in netnsfd 11
[  472.371117] Could not find netns with fd: 2000
[  472.371166] Cannot link a netdevsim to itself
[  472.371218] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).