[ 3163.648206][T27868] gre: GRE over IPv4 demultiplexor driver
[ 3164.805492][T27891] ip_gre: GRE over IPv4 tunneling driver
[ 3200.615884][T28464] ip6_gre: GRE over IPv6 tunneling driver
[ 3221.760473][T17290] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3225.727370][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3229.568368][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3232.896349][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3236.607363][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!