[ 1233.648502][T12727] netdevsim netdevsim644 eni644np1: renamed from eth1
[ 1233.667314][T12728] netdevsim netdevsim361 eni361np1: renamed from eth0
[ 1236.251824][T12720] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.253420][T12720] Could not find netns with fd: 2000
[ 1236.254353][T12720] Cannot link a netdevsim to itself
[ 1236.255495][T12720] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).