[  493.743007] netdevsim netdevsim344 eni344np1: renamed from eth0
[  493.840174] netdevsim netdevsim627 eni627np1: renamed from eth1
[  494.109371] Could not find device with ifindex 2000 in netnsfd 11
[  494.109809] Could not find netns with fd: 2000
[  494.109898] Cannot link a netdevsim to itself
[  494.109999] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).