[ 4168.447237][T28096] gre: GRE over IPv4 demultiplexor driver
[ 4170.062590][T28119] ip_gre: GRE over IPv4 tunneling driver
[ 4217.777796][T28690] ip6_gre: GRE over IPv6 tunneling driver
[ 4241.600688][T22893] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4250.047535][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4254.783546][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4258.816496][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4263.487573][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!