[ 1246.486980][T12683] netdevsim netdevsim672 eni672np1: renamed from eth1
[ 1246.606336][T12686] netdevsim netdevsim296 eni296np1: renamed from eth0
[ 1249.440173][T12674] Could not find device with ifindex 2000 in netnsfd 11
[ 1249.443121][T12674] Could not find netns with fd: 2000
[ 1249.444058][T12674] Cannot link a netdevsim to itself
[ 1249.445129][T12674] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).