[ 3231.692500][T23679] gre: GRE over IPv4 demultiplexer driver
[ 3233.292563][T23702] ip_gre: GRE over IPv4 tunneling driver
[ 3281.936534][T24273] ip6_gre: GRE over IPv6 tunneling driver
[ 3307.180956][T16965] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3316.140900][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3321.067739][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3325.355754][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3330.282764][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!