[ 1318.946212][T12516] netdevsim netdevsim290 eni290np1: renamed from eth0
[ 1319.049269][T12517] netdevsim netdevsim609 eni609np1: renamed from eth1
[ 1321.648574][T12503] Could not find device with ifindex 2000 in netnsfd 11
[ 1321.649784][T12503] Could not find netns with fd: 2000
[ 1321.650663][T12503] Cannot link a netdevsim to itself
[ 1321.651777][T12503] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).