[  479.418027] netdevsim netdevsim343 eni343np1: renamed from eth0
[  479.419378] netdevsim netdevsim624 eni624np1: renamed from eth1
[  479.506872] Could not find device with ifindex 2000 in netnsfd 11
[  479.506976] Could not find netns with fd: 2000
[  479.507034] Cannot link a netdevsim to itself
[  479.507093] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).