[  494.455431] netdevsim netdevsim343 eni343np1: renamed from eth0
[  494.552325] netdevsim netdevsim682 eni682np1: renamed from eth1
[  494.789651] Could not find device with ifindex 2000 in netnsfd 11
[  494.790050] Could not find netns with fd: 2000
[  494.790127] Cannot link a netdevsim to itself
[  494.790229] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).