[ 1023.021828][T12073] netdevsim netdevsim316 eni316np1: renamed from eth0
[ 1023.151687][T12136] netdevsim netdevsim524 eni524np1: renamed from eth1
[ 1025.021362][T12725] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.022863][T12725] Could not find netns with fd: 2000
[ 1025.024075][T12725] Cannot link a netdevsim to itself
[ 1025.025395][T12725] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).