[  793.594155][T14763] netdevsim netdevsim411 eni411np1: renamed from eth0
[  793.607580][T14765] netdevsim netdevsim767 eni767np1: renamed from eth1
[  794.171050][T14751] Could not find device with ifindex 2000 in netnsfd 11
[  794.171553][T14751] Could not find netns with fd: 2000
[  794.171920][T14751] Cannot link a netdevsim to itself
[  794.172338][T14751] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).