[  480.111332] netdevsim netdevsim758 eni758np1: renamed from eth1
[  480.211651] netdevsim netdevsim436 eni436np1: renamed from eth0
[  480.514513] Could not find device with ifindex 2000 in netnsfd 11
[  480.514644] Could not find netns with fd: 2000
[  480.514742] Cannot link a netdevsim to itself
[  480.514829] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).