[ 4425.112651][T22407] gre: GRE over IPv4 demultiplexor driver
[ 4427.193070][T22430] ip_gre: GRE over IPv4 tunneling driver
[ 4495.465462][T23001] ip6_gre: GRE over IPv6 tunneling driver
[ 4541.366198][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4547.382140][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4552.502159][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4558.838159][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!