[ 1017.638015][T12755] netdevsim netdevsim757 eni757np1: renamed from eth1
[ 1017.734033][T12756] netdevsim netdevsim459 eni459np1: renamed from eth0
[ 1019.413685][T12748] Could not find device with ifindex 2000 in netnsfd 11
[ 1019.414583][T12748] Could not find netns with fd: 2000
[ 1019.420202][T12748] Cannot link a netdevsim to itself
[ 1019.420995][T12748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).