[ 1284.704033][T13020] netdevsim netdevsim280 eni280np1: renamed from eth0
[ 1284.841372][T13021] netdevsim netdevsim640 eni640np1: renamed from eth1
[ 1287.465200][T13008] Could not find device with ifindex 2000 in netnsfd 11
[ 1287.466854][T13008] Could not find netns with fd: 2000
[ 1287.467732][T13008] Cannot link a netdevsim to itself
[ 1287.468820][T13008] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).