[ 1236.289159][T12784] netdevsim netdevsim351 eni351np1: renamed from eth0
[ 1236.368694][T12782] netdevsim netdevsim563 eni563np1: renamed from eth1
[ 1238.783674][T12776] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.785767][T12776] Could not find netns with fd: 2000
[ 1238.787122][T12776] Cannot link a netdevsim to itself
[ 1238.789031][T12776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).