[  488.627456] netdevsim netdevsim353 eni353np1: renamed from eth0
[  488.728582] netdevsim netdevsim566 eni566np1: renamed from eth1
[  489.076142] Could not find device with ifindex 2000 in netnsfd 11
[  489.076306] Could not find netns with fd: 2000
[  489.076383] Cannot link a netdevsim to itself
[  489.076469] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).