[ 1237.001574][T11147] netdevsim netdevsim383 eni383np1: renamed from eth0
[ 1237.027535][T11145] netdevsim netdevsim721 eni721np1: renamed from eth1
[ 1240.378518][T11139] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.379300][T11139] Could not find netns with fd: 2000
[ 1240.379873][T11139] Cannot link a netdevsim to itself
[ 1240.386866][T11139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).