[ 4730.409604][T23279] gre: GRE over IPv4 demultiplexor driver
[ 4732.610570][T23302] ip_gre: GRE over IPv4 tunneling driver
[ 4797.673352][T23875] ip6_gre: GRE over IPv6 tunneling driver
[ 4843.253604][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4849.462509][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4854.645508][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4860.853517][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!