[ 3418.184720][T31397] gre: GRE over IPv4 demultiplexor driver
[ 3419.360910][T31421] ip_gre: GRE over IPv4 tunneling driver
[ 3454.140239][T31993] ip6_gre: GRE over IPv6 tunneling driver
[ 3478.347311][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3482.060237][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3485.259252][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3488.972217][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!