[ 1325.219708][T13029] netdevsim netdevsim582 eni582np1: renamed from eth1 [ 1325.313782][T13032] netdevsim netdevsim265 eni265np1: renamed from eth0 [ 1328.061641][T13019] Could not find device with ifindex 2000 in netnsfd 11 [ 1328.063284][T13019] Could not find netns with fd: 2000 [ 1328.064234][T13019] Cannot link a netdevsim to itself [ 1328.065637][T13019] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).