[  495.084168] netdevsim netdevsim447 eni447np1: renamed from eth0
[  495.181408] netdevsim netdevsim763 eni763np1: renamed from eth1
[  495.451120] Could not find device with ifindex 2000 in netnsfd 11
[  495.451430] Could not find netns with fd: 2000
[  495.451540] Cannot link a netdevsim to itself
[  495.451663] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).