[ 1289.890760][T12849] netdevsim netdevsim466 eni466np1: renamed from eth0
[ 1289.921914][T12846] netdevsim netdevsim660 eni660np1: renamed from eth1
[ 1292.619393][T12837] Could not find device with ifindex 2000 in netnsfd 11
[ 1292.621092][T12837] Could not find netns with fd: 2000
[ 1292.622118][T12837] Cannot link a netdevsim to itself
[ 1292.623754][T12837] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).