[  479.729971] netdevsim netdevsim452 eni452np1: renamed from eth0
[  479.731022] netdevsim netdevsim624 eni624np1: renamed from eth0
[  479.817857] Could not find device with ifindex 2000 in netnsfd 11
[  479.818007] Could not find netns with fd: 2000
[  479.818109] Cannot link a netdevsim to itself
[  479.818223] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).