[ 1239.696858][T11150] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1239.717788][T11147] netdevsim netdevsim539 eni539np1: renamed from eth1
[ 1243.036805][T11142] Could not find device with ifindex 2000 in netnsfd 11
[ 1243.037896][T11142] Could not find netns with fd: 2000
[ 1243.039169][T11142] Cannot link a netdevsim to itself
[ 1243.040263][T11142] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).