[  511.024831] netdevsim netdevsim482 eni482np1: renamed from eth0
[  511.122888] netdevsim netdevsim515 eni515np1: renamed from eth1
[  511.362680] Could not find device with ifindex 2000 in netnsfd 11
[  511.362890] Could not find netns with fd: 2000
[  511.362991] Cannot link a netdevsim to itself
[  511.363104] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).