[ 1224.585063][T11130] netdevsim netdevsim325 eni325np1: renamed from eth0 [ 1224.696161][T11128] netdevsim netdevsim691 eni691np1: renamed from eth1 [ 1227.948806][T11122] Could not find device with ifindex 2000 in netnsfd 11 [ 1227.949557][T11122] Could not find netns with fd: 2000 [ 1227.950109][T11122] Cannot link a netdevsim to itself [ 1227.955730][T11122] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).