[ 1220.715753][T11143] netdevsim netdevsim364 eni364np1: renamed from eth0
[ 1220.748730][T11142] netdevsim netdevsim621 eni621np1: renamed from eth1
[ 1223.998067][T11135] Could not find device with ifindex 2000 in netnsfd 11
[ 1223.998839][T11135] Could not find netns with fd: 2000
[ 1223.999386][T11135] Cannot link a netdevsim to itself
[ 1224.000386][T11135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).