[ 1180.221369][T12504] netdevsim netdevsim506 eni506np1: renamed from eth0
[ 1180.360442][T12501] netdevsim netdevsim636 eni636np1: renamed from eth1
[ 1182.879221][T12496] Could not find device with ifindex 2000 in netnsfd 11
[ 1182.881532][T12496] Could not find netns with fd: 2000
[ 1182.883016][T12496] Cannot link a netdevsim to itself
[ 1182.884835][T12496] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).