[  521.940440] netdevsim netdevsim651 eni651np1: renamed from eth1
[  522.038226] netdevsim netdevsim430 eni430np1: renamed from eth0
[  522.284813] Could not find device with ifindex 2000 in netnsfd 11
[  522.285001] Could not find netns with fd: 2000
[  522.285078] Cannot link a netdevsim to itself
[  522.285172] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).