[  516.107511] netdevsim netdevsim458 eni458np1: renamed from eth0
[  516.204802] netdevsim netdevsim765 eni765np1: renamed from eth1
[  516.451671] Could not find device with ifindex 2000 in netnsfd 11
[  516.451847] Could not find netns with fd: 2000
[  516.451941] Cannot link a netdevsim to itself
[  516.452046] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).