[  476.686079] netdevsim netdevsim348 eni348np1: renamed from eth0
[  476.687591] netdevsim netdevsim597 eni597np1: renamed from eth0
[  476.779653] Could not find device with ifindex 2000 in netnsfd 11
[  476.779751] Could not find netns with fd: 2000
[  476.779794] Cannot link a netdevsim to itself
[  476.779844] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).