[ 1191.460273][T12779] netdevsim netdevsim720 eni720np1: renamed from eth1
[ 1191.575682][T12778] netdevsim netdevsim461 eni461np1: renamed from eth0
[ 1193.964525][T12770] Could not find device with ifindex 2000 in netnsfd 11
[ 1193.966098][T12770] Could not find netns with fd: 2000
[ 1193.966955][T12770] Cannot link a netdevsim to itself
[ 1193.968018][T12770] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).