[  756.255307][T14445] netdevsim netdevsim284 eni284np1: renamed from eth0
[  756.278703][T14447] netdevsim netdevsim578 eni578np1: renamed from eth1
[  756.863298][T14433] Could not find device with ifindex 2000 in netnsfd 11
[  756.863825][T14433] Could not find netns with fd: 2000
[  756.864224][T14433] Cannot link a netdevsim to itself
[  756.864650][T14433] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).