[ 1417.159698][T12525] netdevsim netdevsim533 eni533np1: renamed from eth1
[ 1417.240994][T12524] netdevsim netdevsim291 eni291np1: renamed from eth0
[ 1421.020171][T12516] Could not find device with ifindex 2000 in netnsfd 11
[ 1421.021046][T12516] Could not find netns with fd: 2000
[ 1421.021758][T12516] Cannot link a netdevsim to itself
[ 1421.022941][T12516] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).