[ 1272.021492][T12884] netdevsim netdevsim466 eni466np1: renamed from eth0
[ 1272.155749][T12881] netdevsim netdevsim513 eni513np1: renamed from eth1
[ 1274.605987][T12872] Could not find device with ifindex 2000 in netnsfd 11
[ 1274.607555][T12872] Could not find netns with fd: 2000
[ 1274.608669][T12872] Cannot link a netdevsim to itself
[ 1274.609873][T12872] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).