[  489.567898] netdevsim netdevsim355 eni355np1: renamed from eth0
[  489.668364] netdevsim netdevsim736 eni736np1: renamed from eth1
[  490.014115] Could not find device with ifindex 2000 in netnsfd 11
[  490.014268] Could not find netns with fd: 2000
[  490.014333] Cannot link a netdevsim to itself
[  490.014436] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).