[  520.050308] netdevsim netdevsim767 eni767np1: renamed from eth1
[  520.148245] netdevsim netdevsim329 eni329np1: renamed from eth0
[  520.374765] Could not find device with ifindex 2000 in netnsfd 11
[  520.374945] Could not find netns with fd: 2000
[  520.375028] Cannot link a netdevsim to itself
[  520.375136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).