[ 1020.791113][T12582] netdevsim netdevsim321 eni321np1: renamed from eth0
[ 1020.796941][T12583] netdevsim netdevsim716 eni716np1: renamed from eth1
[ 1022.633809][T12728] Could not find device with ifindex 2000 in netnsfd 11
[ 1022.634819][T12728] Could not find netns with fd: 2000
[ 1022.635572][T12728] Cannot link a netdevsim to itself
[ 1022.636362][T12728] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).