[  516.070198] netdevsim netdevsim318 eni318np1: renamed from eth0
[  516.168423] netdevsim netdevsim663 eni663np1: renamed from eth1
[  516.417772] Could not find device with ifindex 2000 in netnsfd 11
[  516.417934] Could not find netns with fd: 2000
[  516.418009] Cannot link a netdevsim to itself
[  516.418097] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).