[  797.100127][T14563] netdevsim netdevsim394 eni394np1: renamed from eth0
[  797.112777][T14565] netdevsim netdevsim651 eni651np1: renamed from eth1
[  797.723975][T14551] Could not find device with ifindex 2000 in netnsfd 11
[  797.724721][T14551] Could not find netns with fd: 2000
[  797.725085][T14551] Cannot link a netdevsim to itself
[  797.725489][T14551] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).