[  486.423920] netdevsim netdevsim683 eni683np1: renamed from eth1
[  486.424452] netdevsim netdevsim389 eni389np1: renamed from eth0
[  486.524456] Could not find device with ifindex 2000 in netnsfd 11
[  486.524564] Could not find netns with fd: 2000
[  486.524648] Cannot link a netdevsim to itself
[  486.524719] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).