[ 1237.720698][T11271] netdevsim netdevsim489 eni489np1: renamed from eth0
[ 1237.739783][T11270] netdevsim netdevsim682 eni682np1: renamed from eth1
[ 1241.059324][T11263] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.060076][T11263] Could not find netns with fd: 2000
[ 1241.060667][T11263] Cannot link a netdevsim to itself
[ 1241.061387][T11263] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).