[ 1655.287061][T21761] gre: GRE over IPv4 demultiplexer driver
[ 1655.793631][T21784] ip_gre: GRE over IPv4 tunneling driver
[ 1671.580222][T22363] ip6_gre: GRE over IPv6 tunneling driver
[ 1681.882889][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1683.867869][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1685.722867][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1687.770871][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!