[  759.004741][T14561] netdevsim netdevsim403 eni403np1: renamed from eth0
[  759.017571][T14563] netdevsim netdevsim615 eni615np1: renamed from eth1
[  759.553813][T14549] Could not find device with ifindex 2000 in netnsfd 11
[  759.554403][T14549] Could not find netns with fd: 2000
[  759.554894][T14549] Cannot link a netdevsim to itself
[  759.555419][T14549] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).