[  804.615443][T15792] netdevsim netdevsim263 eni263np1: renamed from eth0
[  804.630042][T15790] netdevsim netdevsim763 eni763np1: renamed from eth1
[  805.262103][T15779] Could not find device with ifindex 2000 in netnsfd 11
[  805.262670][T15779] Could not find netns with fd: 2000
[  805.263043][T15779] Cannot link a netdevsim to itself
[  805.263491][T15779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).