[ 4086.377137][T28708] gre: GRE over IPv4 demultiplexer driver
[ 4088.061691][T28731] ip_gre: GRE over IPv4 tunneling driver
[ 4136.845049][T29310] ip6_gre: GRE over IPv6 tunneling driver
[ 4169.959092][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4175.143933][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4179.367953][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4184.294939][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!