[ 1250.847198][T12784] netdevsim netdevsim329 eni329np1: renamed from eth0
[ 1250.876801][T12788] netdevsim netdevsim561 eni561np1: renamed from eth1
[ 1253.523623][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1253.524863][T12775] Could not find netns with fd: 2000
[ 1253.525726][T12775] Cannot link a netdevsim to itself
[ 1253.526839][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).