[  541.121346] netdevsim netdevsim326 eni326np1: renamed from eth0
[  541.223122] netdevsim netdevsim533 eni533np1: renamed from eth1
[  541.591521] Could not find device with ifindex 2000 in netnsfd 11
[  541.591650] Could not find netns with fd: 2000
[  541.591716] Cannot link a netdevsim to itself
[  541.591827] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).