[ 1025.634630][T12141] netdevsim netdevsim311 eni311np1: renamed from eth0
[ 1025.732191][T12140] netdevsim netdevsim514 eni514np1: renamed from eth1
[ 1027.538225][T12563] Could not find device with ifindex 2000 in netnsfd 11
[ 1027.539179][T12563] Could not find netns with fd: 2000
[ 1027.539831][T12563] Cannot link a netdevsim to itself
[ 1027.540648][T12563] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).