[ 1440.796899][T12504] netdevsim netdevsim682 eni682np1: renamed from eth1
[ 1440.820960][T12502] netdevsim netdevsim455 eni455np1: renamed from eth0
[ 1444.380759][T12497] Could not find device with ifindex 2000 in netnsfd 11
[ 1444.381476][T12497] Could not find netns with fd: 2000
[ 1444.382054][T12497] Cannot link a netdevsim to itself
[ 1444.382890][T12497] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).