[  776.919400][T14594] netdevsim netdevsim297 eni297np1: renamed from eth0
[  776.943390][T14596] netdevsim netdevsim589 eni589np1: renamed from eth1
[  777.563151][T14582] Could not find device with ifindex 2000 in netnsfd 11
[  777.564400][T14582] Could not find netns with fd: 2000
[  777.565031][T14582] Cannot link a netdevsim to itself
[  777.565858][T14582] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).