[  515.560523] netdevsim netdevsim392 eni392np1: renamed from eth0
[  515.658581] netdevsim netdevsim709 eni709np1: renamed from eth1
[  515.889552] Could not find device with ifindex 2000 in netnsfd 11
[  515.889722] Could not find netns with fd: 2000
[  515.889801] Cannot link a netdevsim to itself
[  515.889889] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).