[ 1249.850168][T12786] netdevsim netdevsim319 eni319np1: renamed from eth0
[ 1249.910263][T12785] netdevsim netdevsim703 eni703np1: renamed from eth1
[ 1252.458442][T12779] Could not find device with ifindex 2000 in netnsfd 11
[ 1252.459568][T12779] Could not find netns with fd: 2000
[ 1252.460365][T12779] Cannot link a netdevsim to itself
[ 1252.461608][T12779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).