[  716.762870][T13044] netdevsim netdevsim457 eni457np1: renamed from eth0
[  716.808597][T13045] netdevsim netdevsim716 eni716np1: renamed from eth1
[  717.450714][T13032] Could not find device with ifindex 2000 in netnsfd 11
[  717.451650][T13032] Could not find netns with fd: 2000
[  717.452183][T13032] Cannot link a netdevsim to itself
[  717.452662][T13032] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).