[  487.194384] netdevsim netdevsim344 eni344np1: renamed from eth0
[  487.291726] netdevsim netdevsim715 eni715np1: renamed from eth1
[  487.486449] Could not find device with ifindex 2000 in netnsfd 11
[  487.486723] Could not find netns with fd: 2000
[  487.486815] Cannot link a netdevsim to itself
[  487.486911] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).