[ 1221.874107][T11119] netdevsim netdevsim434 eni434np1: renamed from eth0
[ 1221.987317][T11118] netdevsim netdevsim666 eni666np1: renamed from eth1
[ 1225.308314][T11111] Could not find device with ifindex 2000 in netnsfd 11
[ 1225.309340][T11111] Could not find netns with fd: 2000
[ 1225.310223][T11111] Cannot link a netdevsim to itself
[ 1225.311312][T11111] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).