[  455.008665] netdevsim netdevsim683 eni683np1: renamed from eth1
[  455.008988] netdevsim netdevsim359 eni359np1: renamed from eth0
[  455.097226] Could not find device with ifindex 2000 in netnsfd 11
[  455.097396] Could not find netns with fd: 2000
[  455.097509] Cannot link a netdevsim to itself
[  455.097642] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).