[ 1038.518550][T12652] netdevsim netdevsim396 eni396np1: renamed from eth0
[ 1038.622688][T12649] netdevsim netdevsim589 eni589np1: renamed from eth1
[ 1040.478086][T12644] Could not find device with ifindex 2000 in netnsfd 11
[ 1040.479874][T12644] Could not find netns with fd: 2000
[ 1040.480925][T12644] Cannot link a netdevsim to itself
[ 1040.482173][T12644] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).