[ 1244.697165][T11148] netdevsim netdevsim533 eni533np1: renamed from eth1
[ 1244.793376][T11149] netdevsim netdevsim281 eni281np1: renamed from eth0
[ 1248.192613][T11141] Could not find device with ifindex 2000 in netnsfd 11
[ 1248.193395][T11141] Could not find netns with fd: 2000
[ 1248.194053][T11141] Cannot link a netdevsim to itself
[ 1248.195039][T11141] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).