[  479.522257] netdevsim netdevsim267 eni267np1: renamed from eth0
[  479.522642] netdevsim netdevsim658 eni658np1: renamed from eth1
[  479.628429] Could not find device with ifindex 2000 in netnsfd 11
[  479.628544] Could not find netns with fd: 2000
[  479.628602] Cannot link a netdevsim to itself
[  479.628666] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).