[  545.768415] netdevsim netdevsim441 eni441np1: renamed from eth0
[  545.870382] netdevsim netdevsim671 eni671np1: renamed from eth1
[  546.222273] Could not find device with ifindex 2000 in netnsfd 11
[  546.222427] Could not find netns with fd: 2000
[  546.222529] Cannot link a netdevsim to itself
[  546.222656] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).