[  755.037586][T14451] netdevsim netdevsim436 eni436np1: renamed from eth0
[  755.051034][T14453] netdevsim netdevsim710 eni710np1: renamed from eth1
[  755.653705][T14439] Could not find device with ifindex 2000 in netnsfd 11
[  755.654213][T14439] Could not find netns with fd: 2000
[  755.654588][T14439] Cannot link a netdevsim to itself
[  755.655003][T14439] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).