[  798.544903][T14591] netdevsim netdevsim456 eni456np1: renamed from eth0
[  798.587190][T14594] netdevsim netdevsim579 eni579np1: renamed from eth1
[  799.305685][T14579] Could not find device with ifindex 2000 in netnsfd 11
[  799.306314][T14579] Could not find netns with fd: 2000
[  799.306906][T14579] Cannot link a netdevsim to itself
[  799.307507][T14579] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).