[  484.252020] netdevsim netdevsim336 eni336np1: renamed from eth0
[  484.252283] netdevsim netdevsim624 eni624np1: renamed from eth1
[  484.352342] Could not find device with ifindex 2000 in netnsfd 11
[  484.352456] Could not find netns with fd: 2000
[  484.352508] Cannot link a netdevsim to itself
[  484.352571] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).