[  763.309292][T14762] netdevsim netdevsim264 eni264np1: renamed from eth0
[  763.328962][T14764] netdevsim netdevsim695 eni695np1: renamed from eth1
[  763.916993][T14750] Could not find device with ifindex 2000 in netnsfd 11
[  763.917696][T14750] Could not find netns with fd: 2000
[  763.918093][T14750] Cannot link a netdevsim to itself
[  763.918583][T14750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).