[  784.861199][T14443] netdevsim netdevsim307 eni307np1: renamed from eth0
[  784.867870][T14445] netdevsim netdevsim767 eni767np1: renamed from eth1
[  785.481603][T14431] Could not find device with ifindex 2000 in netnsfd 11
[  785.482517][T14431] Could not find netns with fd: 2000
[  785.482893][T14431] Cannot link a netdevsim to itself
[  785.483301][T14431] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).