[  798.566601][T15641] netdevsim netdevsim431 eni431np1: renamed from eth0
[  798.588690][T15644] netdevsim netdevsim740 eni740np1: renamed from eth1
[  799.391802][T15629] Could not find device with ifindex 2000 in netnsfd 11
[  799.393023][T15629] Could not find netns with fd: 2000
[  799.393752][T15629] Cannot link a netdevsim to itself
[  799.394602][T15629] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).