[  479.868491] netdevsim netdevsim448 eni448np1: renamed from eth0
[  479.970700] netdevsim netdevsim597 eni597np1: renamed from eth1
[  480.362932] Could not find device with ifindex 2000 in netnsfd 11
[  480.363065] Could not find netns with fd: 2000
[  480.363137] Cannot link a netdevsim to itself
[  480.363223] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).