[ 1033.769109][T12134] netdevsim netdevsim538 eni538np1: renamed from eth1
[ 1033.859656][T12136] netdevsim netdevsim340 eni340np1: renamed from eth0
[ 1035.701929][T12557] Could not find device with ifindex 2000 in netnsfd 11
[ 1035.702951][T12557] Could not find netns with fd: 2000
[ 1035.703694][T12557] Cannot link a netdevsim to itself
[ 1035.704580][T12557] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).