[ 1221.460687][T11127] netdevsim netdevsim525 eni525np1: renamed from eth1
[ 1221.481744][T11129] netdevsim netdevsim347 eni347np1: renamed from eth0
[ 1224.855331][T11121] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.856119][T11121] Could not find netns with fd: 2000
[ 1224.856780][T11121] Cannot link a netdevsim to itself
[ 1224.857492][T11121] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).