[ 3473.525039][T15398] gre: GRE over IPv4 demultiplexor driver
[ 3475.582923][T15421] ip_gre: GRE over IPv4 tunneling driver
[ 3539.188487][T15995] ip6_gre: GRE over IPv6 tunneling driver
[ 3583.308694][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3589.260625][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3594.444642][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3600.781662][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!