[ 1214.927364][T11134] netdevsim netdevsim741 eni741np1: renamed from eth1
[ 1215.023505][T11133] netdevsim netdevsim347 eni347np1: renamed from eth0
[ 1218.184016][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1218.184683][T11125] Could not find netns with fd: 2000
[ 1218.185255][T11125] Cannot link a netdevsim to itself
[ 1218.185985][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).