[ 1032.809617][T12656] netdevsim netdevsim306 eni306np1: renamed from eth0
[ 1032.933330][T12652] netdevsim netdevsim600 eni600np1: renamed from eth1
[ 1034.741872][T12648] Could not find device with ifindex 2000 in netnsfd 11
[ 1034.742842][T12648] Could not find netns with fd: 2000
[ 1034.743530][T12648] Cannot link a netdevsim to itself
[ 1034.744737][T12648] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).