[  454.693543] netdevsim netdevsim425 eni425np1: renamed from eth0
[  454.694750] netdevsim netdevsim614 eni614np1: renamed from eth0
[  454.773152] Could not find device with ifindex 2000 in netnsfd 11
[  454.773260] Could not find netns with fd: 2000
[  454.773312] Cannot link a netdevsim to itself
[  454.773375] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).