[ 1248.924439][T12618] netdevsim netdevsim259 eni259np1: renamed from eth0
[ 1248.937565][T12619] netdevsim netdevsim689 eni689np1: renamed from eth1
[ 1251.665246][T12606] Could not find device with ifindex 2000 in netnsfd 11
[ 1251.666443][T12606] Could not find netns with fd: 2000
[ 1251.667672][T12606] Cannot link a netdevsim to itself
[ 1251.668775][T12606] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).