[  486.220411] netdevsim netdevsim464 eni464np1: renamed from eth0
[  486.321962] netdevsim netdevsim671 eni671np1: renamed from eth1
[  486.650679] Could not find device with ifindex 2000 in netnsfd 11
[  486.650817] Could not find netns with fd: 2000
[  486.650902] Cannot link a netdevsim to itself
[  486.650986] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).