[  799.747077][T14759] netdevsim netdevsim419 eni419np1: renamed from eth0
[  799.769183][T14758] netdevsim netdevsim515 eni515np1: renamed from eth1
[  800.496291][T14747] Could not find device with ifindex 2000 in netnsfd 11
[  800.496845][T14747] Could not find netns with fd: 2000
[  800.497269][T14747] Cannot link a netdevsim to itself
[  800.497696][T14747] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).