[ 1223.591915][T11145] netdevsim netdevsim260 eni260np1: renamed from eth0
[ 1223.611619][T11146] netdevsim netdevsim738 eni738np1: renamed from eth1
[ 1226.846649][T11139] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.847474][T11139] Could not find netns with fd: 2000
[ 1226.848067][T11139] Cannot link a netdevsim to itself
[ 1226.849061][T11139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).