[  741.076817][T14437] netdevsim netdevsim435 eni435np1: renamed from eth0
[  741.127974][T14440] netdevsim netdevsim514 eni514np1: renamed from eth1
[  741.847741][T14425] Could not find device with ifindex 2000 in netnsfd 11
[  741.848359][T14425] Could not find netns with fd: 2000
[  741.848816][T14425] Cannot link a netdevsim to itself
[  741.849545][T14425] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).