[  840.383914][T15647] netdevsim netdevsim330 eni330np1: renamed from eth0
[  840.406372][T15648] netdevsim netdevsim647 eni647np1: renamed from eth1
[  841.068719][T15634] Could not find device with ifindex 2000 in netnsfd 11
[  841.069877][T15634] Could not find netns with fd: 2000
[  841.071247][T15634] Cannot link a netdevsim to itself
[  841.072332][T15634] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).