[  514.630912] netdevsim netdevsim752 eni752np1: renamed from eth1
[  514.728124] netdevsim netdevsim314 eni314np1: renamed from eth0
[  514.942133] Could not find device with ifindex 2000 in netnsfd 11
[  514.942292] Could not find netns with fd: 2000
[  514.942363] Cannot link a netdevsim to itself
[  514.942450] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).