[ 1244.083708][T11137] netdevsim netdevsim460 eni460np1: renamed from eth0
[ 1244.197960][T11135] netdevsim netdevsim728 eni728np1: renamed from eth1
[ 1247.617987][T11129] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.618749][T11129] Could not find netns with fd: 2000
[ 1247.619341][T11129] Cannot link a netdevsim to itself
[ 1247.620274][T11129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).