[ 701.774731][T13079] netdevsim netdevsim341 eni341np1: renamed from eth0 [ 701.793907][T13081] netdevsim netdevsim695 eni695np1: renamed from eth1 [ 702.434108][T13067] Could not find device with ifindex 2000 in netnsfd 11 [ 702.435110][T13067] Could not find netns with fd: 2000 [ 702.435633][T13067] Cannot link a netdevsim to itself [ 702.435965][T13067] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint). [ 702.436573][T13067] Netdevsim 10:256 is already linked