[ 1302.203776][T12846] netdevsim netdevsim409 eni409np1: renamed from eth0
[ 1302.213783][T12844] netdevsim netdevsim624 eni624np1: renamed from eth1
[ 1305.076733][T12833] Could not find device with ifindex 2000 in netnsfd 11
[ 1305.079418][T12833] Could not find netns with fd: 2000
[ 1305.080703][T12833] Cannot link a netdevsim to itself
[ 1305.081887][T12833] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).