[  493.060736] netdevsim netdevsim388 eni388np1: renamed from eth0
[  493.158042] netdevsim netdevsim515 eni515np1: renamed from eth1
[  493.406297] Could not find device with ifindex 2000 in netnsfd 11
[  493.406484] Could not find netns with fd: 2000
[  493.406577] Cannot link a netdevsim to itself
[  493.406703] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).