[  513.063290] netdevsim netdevsim475 eni475np1: renamed from eth0
[  513.160961] netdevsim netdevsim706 eni706np1: renamed from eth1
[  513.376024] Could not find device with ifindex 2000 in netnsfd 11
[  513.376179] Could not find netns with fd: 2000
[  513.376249] Cannot link a netdevsim to itself
[  513.376335] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).