[  753.734430][T14454] netdevsim netdevsim405 eni405np1: renamed from eth0
[  753.749490][T14456] netdevsim netdevsim604 eni604np1: renamed from eth1
[  754.341517][T14442] Could not find device with ifindex 2000 in netnsfd 11
[  754.342039][T14442] Could not find netns with fd: 2000
[  754.342452][T14442] Cannot link a netdevsim to itself
[  754.342870][T14442] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).