[ 3159.942951][T24829] gre: GRE over IPv4 demultiplexer driver
[ 3161.548953][T24852] ip_gre: GRE over IPv4 tunneling driver
[ 3209.691606][T25423] ip6_gre: GRE over IPv6 tunneling driver
[ 3226.436814][T22977] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3242.436506][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3247.237512][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3251.397506][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3256.132546][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!