[  488.121211] netdevsim netdevsim461 eni461np1: renamed from eth0
[  488.218813] netdevsim netdevsim726 eni726np1: renamed from eth1
[  488.429666] Could not find device with ifindex 2000 in netnsfd 11
[  488.429844] Could not find netns with fd: 2000
[  488.429919] Cannot link a netdevsim to itself
[  488.430009] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).