[  486.797181] netdevsim netdevsim554 eni554np1: renamed from eth1
[  486.893370] netdevsim netdevsim489 eni489np1: renamed from eth0
[  487.139156] Could not find device with ifindex 2000 in netnsfd 11
[  487.139559] Could not find netns with fd: 2000
[  487.139668] Cannot link a netdevsim to itself
[  487.139784] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).