[ 1220.599630][T11146] netdevsim netdevsim424 eni424np1: renamed from eth0
[ 1220.609131][T11145] netdevsim netdevsim631 eni631np1: renamed from eth1
[ 1223.824151][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1223.824869][T11138] Could not find netns with fd: 2000
[ 1223.825426][T11138] Cannot link a netdevsim to itself
[ 1223.826381][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).