[  765.480998][T14739] netdevsim netdevsim507 eni507np1: renamed from eth0
[  765.491084][T14741] netdevsim netdevsim760 eni760np1: renamed from eth1
[  766.068958][T14727] Could not find device with ifindex 2000 in netnsfd 11
[  766.069827][T14727] Could not find netns with fd: 2000
[  766.070237][T14727] Cannot link a netdevsim to itself
[  766.070677][T14727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).