[  455.568296] netdevsim netdevsim344 eni344np1: renamed from eth0
[  455.568717] netdevsim netdevsim748 eni748np1: renamed from eth1
[  455.654273] Could not find device with ifindex 2000 in netnsfd 11
[  455.654383] Could not find netns with fd: 2000
[  455.654429] Cannot link a netdevsim to itself
[  455.654481] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).