[ 1217.240776][T11136] netdevsim netdevsim667 eni667np1: renamed from eth1
[ 1217.254525][T11137] netdevsim netdevsim275 eni275np1: renamed from eth0
[ 1220.469349][T11129] Could not find device with ifindex 2000 in netnsfd 11
[ 1220.470029][T11129] Could not find netns with fd: 2000
[ 1220.470829][T11129] Cannot link a netdevsim to itself
[ 1220.471504][T11129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).