[ 1223.005708][T11139] netdevsim netdevsim561 eni561np1: renamed from eth1
[ 1223.009990][T11140] netdevsim netdevsim348 eni348np1: renamed from eth0
[ 1226.292511][T11132] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.293300][T11132] Could not find netns with fd: 2000
[ 1226.293917][T11132] Cannot link a netdevsim to itself
[ 1226.294688][T11132] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).