[  521.482985] netdevsim netdevsim343 eni343np1: renamed from eth0
[  521.579672] netdevsim netdevsim593 eni593np1: renamed from eth1
[  521.794070] Could not find device with ifindex 2000 in netnsfd 11
[  521.794239] Could not find netns with fd: 2000
[  521.794311] Cannot link a netdevsim to itself
[  521.794413] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).