[ 3154.637615][T22575] gre: GRE over IPv4 demultiplexor driver
[ 3156.682480][T22598] ip_gre: GRE over IPv4 tunneling driver
[ 3216.883530][T23176] ip6_gre: GRE over IPv6 tunneling driver
[ 3258.161053][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3263.985005][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3268.912998][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3274.736986][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!