[  487.856658] netdevsim netdevsim517 eni517np1: renamed from eth1
[  487.957072] netdevsim netdevsim363 eni363np1: renamed from eth0
[  488.320472] Could not find device with ifindex 2000 in netnsfd 11
[  488.320626] Could not find netns with fd: 2000
[  488.320706] Cannot link a netdevsim to itself
[  488.320799] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).