[  494.388382] netdevsim netdevsim753 eni753np1: renamed from eth1
[  494.483415] netdevsim netdevsim419 eni419np1: renamed from eth0
[  494.706378] Could not find device with ifindex 2000 in netnsfd 11
[  494.706813] Could not find netns with fd: 2000
[  494.706949] Cannot link a netdevsim to itself
[  494.707090] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).