[ 1019.626676][T12133] netdevsim netdevsim496 eni496np1: renamed from eth0
[ 1019.725919][T12134] netdevsim netdevsim594 eni594np1: renamed from eth1
[ 1021.552439][T12556] Could not find device with ifindex 2000 in netnsfd 11
[ 1021.553970][T12556] Could not find netns with fd: 2000
[ 1021.555057][T12556] Cannot link a netdevsim to itself
[ 1021.556391][T12556] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).