[ 3334.107356][ T2937] gre: GRE over IPv4 demultiplexor driver
[ 3335.230027][ T2960] ip_gre: GRE over IPv4 tunneling driver
[ 3370.661144][ T3534] ip6_gre: GRE over IPv6 tunneling driver
[ 3372.072093][  T273] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3395.239455][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3399.014567][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3402.215434][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3405.927427][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!