[  543.778614] netdevsim netdevsim448 eni448np1: renamed from eth0
[  543.880436] netdevsim netdevsim703 eni703np1: renamed from eth1
[  544.223337] Could not find device with ifindex 2000 in netnsfd 11
[  544.223469] Could not find netns with fd: 2000
[  544.223537] Cannot link a netdevsim to itself
[  544.223619] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).