[  788.341168][T14756] netdevsim netdevsim427 eni427np1: renamed from eth0
[  788.383362][T14759] netdevsim netdevsim637 eni637np1: renamed from eth1
[  789.025319][T14744] Could not find device with ifindex 2000 in netnsfd 11
[  789.025829][T14744] Could not find netns with fd: 2000
[  789.026196][T14744] Cannot link a netdevsim to itself
[  789.026620][T14744] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).