[ 1289.517955][T12848] netdevsim netdevsim635 eni635np1: renamed from eth1
[ 1289.642069][T12851] netdevsim netdevsim381 eni381np1: renamed from eth0
[ 1292.471135][T12838] Could not find device with ifindex 2000 in netnsfd 11
[ 1292.474712][T12838] Could not find netns with fd: 2000
[ 1292.476136][T12838] Cannot link a netdevsim to itself
[ 1292.477959][T12838] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).