[  527.179384] netdevsim netdevsim318 eni318np1: renamed from eth0
[  527.275912] netdevsim netdevsim540 eni540np1: renamed from eth1
[  527.524424] Could not find device with ifindex 2000 in netnsfd 11
[  527.524633] Could not find netns with fd: 2000
[  527.524736] Cannot link a netdevsim to itself
[  527.524868] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).