[  719.377147][T13047] netdevsim netdevsim330 eni330np1: renamed from eth0
[  719.400003][T13049] netdevsim netdevsim593 eni593np1: renamed from eth1
[  720.077573][T13035] Could not find device with ifindex 2000 in netnsfd 11
[  720.078586][T13035] Could not find netns with fd: 2000
[  720.079128][T13035] Cannot link a netdevsim to itself
[  720.079730][T13035] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).