[ 1001.050756][T12630] netdevsim netdevsim270 eni270np1: renamed from eth0
[ 1001.052799][T12580] netdevsim netdevsim722 eni722np1: renamed from eth1
[ 1002.854443][T12625] Could not find device with ifindex 2000 in netnsfd 11
[ 1002.855728][T12625] Could not find netns with fd: 2000
[ 1002.856462][T12625] Cannot link a netdevsim to itself
[ 1002.857223][T12625] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).