[  477.875603] netdevsim netdevsim308 eni308np1: renamed from eth0
[  477.876024] netdevsim netdevsim678 eni678np1: renamed from eth1
[  477.967699] Could not find device with ifindex 2000 in netnsfd 11
[  477.967838] Could not find netns with fd: 2000
[  477.967937] Cannot link a netdevsim to itself
[  477.968067] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).