[  489.419055] netdevsim netdevsim275 eni275np1: renamed from eth0
[  489.514873] netdevsim netdevsim524 eni524np1: renamed from eth1
[  489.722421] Could not find device with ifindex 2000 in netnsfd 11
[  489.722745] Could not find netns with fd: 2000
[  489.722839] Cannot link a netdevsim to itself
[  489.722964] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).