[  766.700062][T14619] netdevsim netdevsim278 eni278np1: renamed from eth0
[  766.719056][T14621] netdevsim netdevsim759 eni759np1: renamed from eth1
[  767.324162][T14607] Could not find device with ifindex 2000 in netnsfd 11
[  767.325650][T14607] Could not find netns with fd: 2000
[  767.326151][T14607] Cannot link a netdevsim to itself
[  767.326693][T14607] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).