[ 1032.866042][T12722] netdevsim netdevsim321 eni321np1: renamed from eth0
[ 1032.966164][T12673] netdevsim netdevsim719 eni719np1: renamed from eth1
[ 1034.737184][T12717] Could not find device with ifindex 2000 in netnsfd 11
[ 1034.738659][T12717] Could not find netns with fd: 2000
[ 1034.739761][T12717] Cannot link a netdevsim to itself
[ 1034.741312][T12717] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).