[  508.576116] netdevsim netdevsim574 eni574np1: renamed from eth1
[  508.673738] netdevsim netdevsim425 eni425np1: renamed from eth0
[  508.879520] Could not find device with ifindex 2000 in netnsfd 11
[  508.879713] Could not find netns with fd: 2000
[  508.879807] Cannot link a netdevsim to itself
[  508.879906] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).