[ 1223.414447][T11126] netdevsim netdevsim497 eni497np1: renamed from eth0
[ 1223.517576][T11127] netdevsim netdevsim609 eni609np1: renamed from eth1
[ 1226.713069][T11118] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.713824][T11118] Could not find netns with fd: 2000
[ 1226.714425][T11118] Cannot link a netdevsim to itself
[ 1226.715096][T11118] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).