[ 4403.721790][T30797] gre: GRE over IPv4 demultiplexor driver
[ 4405.369357][T30820] ip_gre: GRE over IPv4 tunneling driver
[ 4452.071590][T31399] ip6_gre: GRE over IPv6 tunneling driver
[ 4484.081144][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4488.946092][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4493.041108][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4497.905151][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!