[ 1269.886591][T12857] netdevsim netdevsim450 eni450np1: renamed from eth0
[ 1270.029882][T12856] netdevsim netdevsim614 eni614np1: renamed from eth1
[ 1272.635608][T12845] Could not find device with ifindex 2000 in netnsfd 11
[ 1272.637217][T12845] Could not find netns with fd: 2000
[ 1272.638109][T12845] Cannot link a netdevsim to itself
[ 1272.639360][T12845] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).