[ 1244.852009][T12885] netdevsim netdevsim340 eni340np1: renamed from eth0
[ 1244.976253][T12882] netdevsim netdevsim732 eni732np1: renamed from eth1
[ 1247.605477][T12873] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.607105][T12873] Could not find netns with fd: 2000
[ 1247.608442][T12873] Cannot link a netdevsim to itself
[ 1247.610510][T12873] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).