[ 1322.285866][T12060] netdevsim netdevsim341 eni341np1: renamed from eth0
[ 1322.372662][T12059] netdevsim netdevsim684 eni684np1: renamed from eth1
[ 1326.274313][T12052] Could not find device with ifindex 2000 in netnsfd 11
[ 1326.277555][T12052] Could not find netns with fd: 2000
[ 1326.278578][T12052] Cannot link a netdevsim to itself
[ 1326.279803][T12052] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).