[  766.090636][T14769] netdevsim netdevsim440 eni440np1: renamed from eth0
[  766.107367][T14771] netdevsim netdevsim662 eni662np1: renamed from eth1
[  766.688702][T14757] Could not find device with ifindex 2000 in netnsfd 11
[  766.689568][T14757] Could not find netns with fd: 2000
[  766.689928][T14757] Cannot link a netdevsim to itself
[  766.690340][T14757] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).