[ 1231.786442][T12778] netdevsim netdevsim316 eni316np1: renamed from eth0
[ 1231.907323][T12779] netdevsim netdevsim597 eni597np1: renamed from eth1
[ 1234.457514][T12770] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.458704][T12770] Could not find netns with fd: 2000
[ 1234.459618][T12770] Cannot link a netdevsim to itself
[ 1234.461156][T12770] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).