[  802.164063][T14594] netdevsim netdevsim310 eni310np1: renamed from eth0
[  802.182709][T14596] netdevsim netdevsim689 eni689np1: renamed from eth1
[  802.801098][T14582] Could not find device with ifindex 2000 in netnsfd 11
[  802.802071][T14582] Could not find netns with fd: 2000
[  802.802563][T14582] Cannot link a netdevsim to itself
[  802.803145][T14582] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).