[ 1347.443962][T13024] netdevsim netdevsim391 eni391np1: renamed from eth0
[ 1347.581164][T13021] netdevsim netdevsim519 eni519np1: renamed from eth1
[ 1350.283973][T13011] Could not find device with ifindex 2000 in netnsfd 11
[ 1350.285781][T13011] Could not find netns with fd: 2000
[ 1350.286692][T13011] Cannot link a netdevsim to itself
[ 1350.287886][T13011] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).