[ 1012.116960][T12680] netdevsim netdevsim720 eni720np1: renamed from eth1
[ 1012.225059][T12729] netdevsim netdevsim402 eni402np1: renamed from eth0
[ 1014.017285][T12724] Could not find device with ifindex 2000 in netnsfd 11
[ 1014.018268][T12724] Could not find netns with fd: 2000
[ 1014.018953][T12724] Cannot link a netdevsim to itself
[ 1014.020187][T12724] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).