[ 4271.201694][T20133] gre: GRE over IPv4 demultiplexor driver
[ 4273.325231][T20156] ip_gre: GRE over IPv4 tunneling driver
[ 4334.005636][T20729] ip6_gre: GRE over IPv6 tunneling driver
[ 4378.306201][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4384.322070][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4389.378075][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4395.394073][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!