[  819.257106][T14613] netdevsim netdevsim417 eni417np1: renamed from eth0
[  819.263726][T14614] netdevsim netdevsim611 eni611np1: renamed from eth1
[  819.839965][T14600] Could not find device with ifindex 2000 in netnsfd 11
[  819.840855][T14600] Could not find netns with fd: 2000
[  819.841497][T14600] Cannot link a netdevsim to itself
[  819.842117][T14600] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).