[  513.188888] netdevsim netdevsim289 eni289np1: renamed from eth0
[  513.284919] netdevsim netdevsim523 eni523np1: renamed from eth1
[  513.519385] Could not find device with ifindex 2000 in netnsfd 11
[  513.519601] Could not find netns with fd: 2000
[  513.519710] Cannot link a netdevsim to itself
[  513.519848] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).