[ 1320.225432][T12059] netdevsim netdevsim550 eni550np1: renamed from eth1
[ 1320.327700][T12060] netdevsim netdevsim355 eni355np1: renamed from eth0
[ 1323.953479][T12052] Could not find device with ifindex 2000 in netnsfd 11
[ 1323.954237][T12052] Could not find netns with fd: 2000
[ 1323.955043][T12052] Cannot link a netdevsim to itself
[ 1323.955896][T12052] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).