[  455.786333] netdevsim netdevsim391 eni391np1: renamed from eth0
[  455.787718] netdevsim netdevsim748 eni748np1: renamed from eth1
[  455.879581] Could not find device with ifindex 2000 in netnsfd 11
[  455.879782] Could not find netns with fd: 2000
[  455.879923] Cannot link a netdevsim to itself
[  455.880057] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).