[  762.374428][T14739] netdevsim netdevsim452 eni452np1: renamed from eth0
[  762.389170][T14741] netdevsim netdevsim577 eni577np1: renamed from eth1
[  762.940700][T14727] Could not find device with ifindex 2000 in netnsfd 11
[  762.941269][T14727] Could not find netns with fd: 2000
[  762.941976][T14727] Cannot link a netdevsim to itself
[  762.942510][T14727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).