[ 1220.860931][T11125] netdevsim netdevsim685 eni685np1: renamed from eth1
[ 1220.892531][T11126] netdevsim netdevsim438 eni438np1: renamed from eth0
[ 1224.215893][T11118] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.216653][T11118] Could not find netns with fd: 2000
[ 1224.217215][T11118] Cannot link a netdevsim to itself
[ 1224.218056][T11118] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).