[ 1473.169728][T12602] netdevsim netdevsim545 eni545np1: renamed from eth1
[ 1473.257310][T12603] netdevsim netdevsim319 eni319np1: renamed from eth0
[ 1477.048289][T12595] Could not find device with ifindex 2000 in netnsfd 11
[ 1477.049108][T12595] Could not find netns with fd: 2000
[ 1477.049767][T12595] Cannot link a netdevsim to itself
[ 1477.050506][T12595] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).