[  477.107399] netdevsim netdevsim455 eni455np1: renamed from eth0
[  477.107991] netdevsim netdevsim716 eni716np1: renamed from eth1
[  477.197382] Could not find device with ifindex 2000 in netnsfd 11
[  477.197488] Could not find netns with fd: 2000
[  477.197539] Cannot link a netdevsim to itself
[  477.197598] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).