[ 1229.878034][T12781] netdevsim netdevsim419 eni419np1: renamed from eth0
[ 1229.966899][T12778] netdevsim netdevsim512 eni512np1: renamed from eth1
[ 1232.522887][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1232.524194][T12773] Could not find netns with fd: 2000
[ 1232.525189][T12773] Cannot link a netdevsim to itself
[ 1232.526391][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).