[  788.839593][T15631] netdevsim netdevsim305 eni305np1: renamed from eth0
[  788.854160][T15629] netdevsim netdevsim658 eni658np1: renamed from eth1
[  789.446893][T15617] Could not find device with ifindex 2000 in netnsfd 11
[  789.447523][T15617] Could not find netns with fd: 2000
[  789.448358][T15617] Cannot link a netdevsim to itself
[  789.449074][T15617] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).