[ 1005.956196][T12064] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1006.065567][T12062] netdevsim netdevsim632 eni632np1: renamed from eth1
[ 1007.926079][T12451] Could not find device with ifindex 2000 in netnsfd 11
[ 1007.927123][T12451] Could not find netns with fd: 2000
[ 1007.927843][T12451] Cannot link a netdevsim to itself
[ 1007.928711][T12451] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).