[  989.005721][T12470] netdevsim netdevsim499 eni499np1: renamed from eth0
[  989.121741][T12468] netdevsim netdevsim546 eni546np1: renamed from eth1
[  990.796050][T12462] Could not find device with ifindex 2000 in netnsfd 11
[  990.797496][T12462] Could not find netns with fd: 2000
[  990.807665][T12462] Cannot link a netdevsim to itself
[  990.808877][T12462] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).