[  816.289995][T14756] netdevsim netdevsim413 eni413np1: renamed from eth0
[  816.300228][T14758] netdevsim netdevsim614 eni614np1: renamed from eth1
[  816.871678][T14744] Could not find device with ifindex 2000 in netnsfd 11
[  816.872618][T14744] Could not find netns with fd: 2000
[  816.873145][T14744] Cannot link a netdevsim to itself
[  816.873706][T14744] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).