[  528.087063] netdevsim netdevsim268 eni268np1: renamed from eth0
[  528.182862] netdevsim netdevsim701 eni701np1: renamed from eth1
[  528.445590] Could not find device with ifindex 2000 in netnsfd 11
[  528.445769] Could not find netns with fd: 2000
[  528.445866] Cannot link a netdevsim to itself
[  528.445974] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).