[ 1030.982291][ T8131] netdevsim netdevsim576 eni576np1: renamed from eth1 [ 1030.994864][ T8132] netdevsim netdevsim354 eni354np1: renamed from eth0 [ 1034.313667][ T8125] Could not find device with ifindex 2000 in netnsfd 11 [ 1034.314397][ T8125] Could not find netns with fd: 2000 [ 1034.315045][ T8125] Cannot link a netdevsim to itself [ 1034.316060][ T8125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).