[  454.707344] netdevsim netdevsim447 eni447np1: renamed from eth0
[  454.708052] netdevsim netdevsim702 eni702np1: renamed from eth1
[  454.799423] Could not find device with ifindex 2000 in netnsfd 11
[  454.799518] Could not find netns with fd: 2000
[  454.799562] Cannot link a netdevsim to itself
[  454.799611] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).