[  482.333092] netdevsim netdevsim636 eni636np1: renamed from eth1
[  482.434141] netdevsim netdevsim333 eni333np1: renamed from eth0
[  482.781925] Could not find device with ifindex 2000 in netnsfd 11
[  482.782090] Could not find netns with fd: 2000
[  482.782170] Cannot link a netdevsim to itself
[  482.782256] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).