[  472.673806] netdevsim netdevsim317 eni317np1: renamed from eth0
[  472.674500] netdevsim netdevsim683 eni683np1: renamed from eth1
[  472.747454] Could not find device with ifindex 2000 in netnsfd 11
[  472.747542] Could not find netns with fd: 2000
[  472.747585] Cannot link a netdevsim to itself
[  472.747637] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).