[  864.619460][T14778] netdevsim netdevsim409 eni409np1: renamed from eth0
[  864.643257][T14780] netdevsim netdevsim635 eni635np1: renamed from eth1
[  865.282578][T14766] Could not find device with ifindex 2000 in netnsfd 11
[  865.283538][T14766] Could not find netns with fd: 2000
[  865.284106][T14766] Cannot link a netdevsim to itself
[  865.284664][T14766] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).