[  544.493247] netdevsim netdevsim329 eni329np1: renamed from eth0
[  544.595060] netdevsim netdevsim600 eni600np1: renamed from eth1
[  544.927423] Could not find device with ifindex 2000 in netnsfd 11
[  544.927562] Could not find netns with fd: 2000
[  544.927631] Cannot link a netdevsim to itself
[  544.927714] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).