[  486.412480] netdevsim netdevsim317 eni317np1: renamed from eth0
[  486.413438] netdevsim netdevsim725 eni725np1: renamed from eth1
[  486.494371] Could not find device with ifindex 2000 in netnsfd 11
[  486.494452] Could not find netns with fd: 2000
[  486.494495] Cannot link a netdevsim to itself
[  486.494540] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).