[  765.505930][T14752] netdevsim netdevsim436 eni436np1: renamed from eth0
[  765.530422][T14754] netdevsim netdevsim741 eni741np1: renamed from eth1
[  766.319788][T14740] Could not find device with ifindex 2000 in netnsfd 11
[  766.321048][T14740] Could not find netns with fd: 2000
[  766.322233][T14740] Cannot link a netdevsim to itself
[  766.323258][T14740] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).