[ 3173.658708][T26327] gre: GRE over IPv4 demultiplexor driver
[ 3174.862007][T26351] ip_gre: GRE over IPv4 tunneling driver
[ 3209.495215][T26927] ip6_gre: GRE over IPv6 tunneling driver
[ 3213.754536][T26737] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3233.016165][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3236.729177][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3239.864159][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3243.512180][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!