[ 1029.839819][T12657] netdevsim netdevsim387 eni387np1: renamed from eth0
[ 1029.937341][T12654] netdevsim netdevsim630 eni630np1: renamed from eth1
[ 1031.861257][T12649] Could not find device with ifindex 2000 in netnsfd 11
[ 1031.862329][T12649] Could not find netns with fd: 2000
[ 1031.863217][T12649] Cannot link a netdevsim to itself
[ 1031.864150][T12649] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).