[ 1046.790500][T12756] netdevsim netdevsim478 eni478np1: renamed from eth0
[ 1046.794045][T12753] netdevsim netdevsim646 eni646np1: renamed from eth1
[ 1048.557852][T12748] Could not find device with ifindex 2000 in netnsfd 11
[ 1048.558853][T12748] Could not find netns with fd: 2000
[ 1048.559659][T12748] Cannot link a netdevsim to itself
[ 1048.560792][T12748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).